#include <unistd.h>
#include <string.h>
#include <stdarg.h>
+#include <fcntl.h>
#include <limits.h>
// work arounds (centos)
#include <lzma.h>
#ifndef INT64_MAX
#define INT64_MAX 9223372036854775807LL
#endif
+#define MAX_RETRY 1000
#include "asset.h"
#include "bccmodels.h"
+#include "bchash.h"
#include "fileffmpeg.h"
#include "file.h"
#include "ffmpeg.h"
+#include "indexfile.h"
+#include "libdv.h"
+#include "libmjpeg.h"
+#include "mainerror.h"
#include "mwindow.h"
#include "vframe.h"
Mutex FFMPEG::fflock("FFMPEG::fflock");
-static void ff_err(int ret, const char *msg)
+static void ff_err(int ret, const char *fmt, ...)
{
- char errmsg[BCSTRLEN]; av_strerror(ret, errmsg, sizeof(errmsg));
- fprintf(stderr,"%s: %s\n",msg, errmsg);
+ char msg[BCTEXTLEN];
+ va_list ap;
+ va_start(ap, fmt);
+ vsnprintf(msg, sizeof(msg), fmt, ap);
+ va_end(ap);
+ char errmsg[BCSTRLEN];
+ av_strerror(ret, errmsg, sizeof(errmsg));
+ fprintf(stderr,_("%s err: %s\n"),msg, errmsg);
}
FFPacket::FFPacket()
fst->dequeue(this);
}
-FFAudioHistory::FFAudioHistory()
+int FFAudioStream::read(float *fp, long len)
{
- this->nch = 1;
- this->sz = 0x1000;
- bsz = sz * nch;
- bfr = new float[bsz];
- inp = outp = bfr;
- lmt = bfr + bsz;
+ long n = len * nch;
+ float *op = outp;
+ while( n > 0 ) {
+ int k = lmt - op;
+ if( k > n ) k = n;
+ n -= k;
+ while( --k >= 0 ) *fp++ = *op++;
+ if( op >= lmt ) op = bfr;
+ }
+ return len;
}
-FFAudioHistory::~FFAudioHistory()
+void FFAudioStream::realloc(long nsz, int nch, long len)
{
- delete [] bfr;
+ long bsz = nsz * nch;
+ float *np = new float[bsz];
+ inp = np + read(np, len) * nch;
+ outp = np;
+ lmt = np + bsz;
+ this->nch = nch;
+ sz = nsz;
+ delete [] bfr; bfr = np;
}
-
-void FFAudioHistory::reserve(long sz, int nch)
+void FFAudioStream::realloc(long nsz, int nch)
{
- long isz = inp - outp;
- sz += isz / nch;
- if( this->sz < sz || this->nch != nch ) {
- realloc(sz, nch);
- return;
+ if( nsz > sz || this->nch != nch ) {
+ long len = this->nch != nch ? 0 : hpos;
+ if( len > sz ) len = sz;
+ iseek(len);
+ realloc(nsz, nch, len);
}
- if( isz > 0 )
- memmove(bfr, outp, isz*sizeof(*bfr));
- outp = bfr;
- inp = bfr + isz;
}
-void FFAudioHistory::realloc(long sz, int nch)
+void FFAudioStream::reserve(long nsz, int nch)
{
- if( this->sz >= sz && this->nch == nch ) return;
- long isz = used() * nch;
- this->nch = nch;
- this->sz = sz;
- bsz = sz * nch;
- float *np = new float[bsz];
- if( isz > 0 ) copy(np, isz);
- inp = np + isz;
- outp = np;
- lmt = np + bsz;
- delete [] bfr; bfr = np;
+ long len = (inp - outp) / nch;
+ nsz += len;
+ if( nsz > sz || this->nch != nch ) {
+ if( this->nch != nch ) len = 0;
+ realloc(nsz, nch, len);
+ return;
+ }
+ if( (len*=nch) > 0 && bfr != outp )
+ memmove(bfr, outp, len*sizeof(*bfr));
+ outp = bfr;
+ inp = bfr + len;
}
-long FFAudioHistory::used()
+long FFAudioStream::used()
{
long len = inp>=outp ? inp-outp : inp-bfr + lmt-outp;
return len / nch;
}
-long FFAudioHistory::avail()
+long FFAudioStream::avail()
{
float *in1 = inp+1;
if( in1 >= lmt ) in1 = bfr;
long len = outp >= in1 ? outp-in1 : outp-bfr + lmt-in1;
return len / nch;
}
-void FFAudioHistory::reset() // clear bfr
+void FFAudioStream::reset_history()
{
inp = outp = bfr;
+ hpos = 0;
}
-void FFAudioHistory::iseek(int64_t ofs)
+void FFAudioStream::iseek(int64_t ofs)
{
outp = inp - ofs*nch;
- if( outp < bfr ) outp += bsz;
+ if( outp < bfr ) outp += sz*nch;
}
-float *FFAudioHistory::get_outp(int ofs)
+float *FFAudioStream::get_outp(int ofs)
{
float *ret = outp;
outp += ofs*nch;
return ret;
}
-int64_t FFAudioHistory::get_inp(int ofs)
+int64_t FFAudioStream::put_inp(int ofs)
{
inp += ofs*nch;
- return (inp-bfr) / nch;
+ return (inp-outp) / nch;
}
-int FFAudioHistory::write(const float *fp, long len)
+int FFAudioStream::write(const float *fp, long len)
{
long n = len * nch;
+ float *ip = inp;
while( n > 0 ) {
- int k = lmt - inp;
+ int k = lmt - ip;
if( k > n ) k = n;
n -= k;
- while( --k >= 0 ) *inp++ = *fp++;
- if( inp >= lmt ) inp -= bsz;
+ while( --k >= 0 ) *ip++ = *fp++;
+ if( ip >= lmt ) ip = bfr;
}
+ inp = ip;
+ hpos += len;
return len;
}
-int FFAudioHistory::copy(float *fp, long len)
-{
- long n = len;
- while( n > 0 ) {
- int k = lmt - outp;
- if( k > n ) k = n;
- n -= k;
- while( --k >= 0 ) *fp++ = *outp++;
- if( outp >= lmt ) outp -= bsz;
- }
- return len;
-}
-
-int FFAudioHistory::zero(long len)
+int FFAudioStream::zero(long len)
{
long n = len * nch;
+ float *ip = inp;
while( n > 0 ) {
- int k = lmt - inp;
+ int k = lmt - ip;
if( k > n ) k = n;
n -= k;
- while( --k >= 0 ) *inp++ = 0;
- if( inp >= lmt ) inp -= bsz;
+ while( --k >= 0 ) *ip++ = 0;
+ if( ip >= lmt ) ip = bfr;
}
+ inp = ip;
+ hpos += len;
return len;
}
-int FFAudioHistory::read(double *dp, long len, int ch)
+// does not advance outp
+int FFAudioStream::read(double *dp, long len, int ch)
{
- long sz = used();
- if( !sz ) return 0;
- if( len > sz ) len = sz;
long n = len;
float *op = outp + ch;
+ float *lmt1 = lmt + nch-1;
while( n > 0 ) {
- int k = (lmt - outp) / nch;
+ int k = (lmt1 - op) / nch;
if( k > n ) k = n;
n -= k;
while( --k >= 0 ) { *dp++ = *op; op += nch; }
- if( op >= lmt ) op -= bsz;
+ if( op >= lmt ) op -= sz*nch;
}
return len;
}
// load linear buffer, no wrapping allowed, does not advance inp
-int FFAudioHistory::write(const double *dp, long len, int ch)
+int FFAudioStream::write(const double *dp, long len, int ch)
{
- long osz = avail();
- if( !osz || !len ) return 0;
- if( len > osz ) len = osz;
long n = len;
float *ip = inp + ch;
while( --n >= 0 ) { *ip = *dp++; ip += nch; }
}
-FFStream::FFStream(FFMPEG *ffmpeg, AVStream *st, int idx)
+FFStream::FFStream(FFMPEG *ffmpeg, AVStream *st, int fidx)
{
this->ffmpeg = ffmpeg;
this->st = st;
- this->idx = idx;
+ this->fidx = fidx;
frm_lock = new Mutex("FFStream::frm_lock");
fmt_ctx = 0;
filter_graph = 0;
buffersink_ctx = 0;
frm_count = 0;
nudge = AV_NOPTS_VALUE;
- eof = 0;
+ seek_pos = curr_pos = 0;
+ seeked = 1; eof = 0;
+ index_markers = 0;
reading = writing = 0;
- need_packet = 1;
flushed = 0;
+ need_packet = 1;
frame = fframe = 0;
}
ret = avformat_open_input(&fmt_ctx, ffmpeg->fmt_ctx->filename, NULL, &copts);
if( ret >= 0 ) {
ret = avformat_find_stream_info(fmt_ctx, 0);
- st = fmt_ctx->streams[idx];
+ st = fmt_ctx->streams[fidx];
+ load_markers();
}
if( ret >= 0 ) {
AVCodecID codec_id = st->codec->codec_id;
if( ret >= 0 )
reading = 1;
else
- fprintf(stderr, "FFStream::decode_activate: open decoder failed\n");
+ eprintf("FFStream::decode_activate: open decoder failed\n");
}
else
- fprintf(stderr, "FFStream::decode_activate: can't clone input file\n");
+ eprintf("FFStream::decode_activate: can't clone input file\n");
av_dict_free(&copts);
ff_unlock();
}
{
av_packet_unref(ipkt);
int ret = av_read_frame(fmt_ctx, ipkt);
- if( ret >= 0 ) return 1;
- st_eof(1);
- if( ret == AVERROR_EOF ) return 0;
- fprintf(stderr, "FFStream::read_packet: av_read_frame failed\n");
- flushed = 1;
- return -1;
+ if( ret < 0 ) {
+ st_eof(1);
+ if( ret == AVERROR_EOF ) {
+ ipkt->stream_index = st->index;
+ return 0;
+ }
+ ff_err(ret, "FFStream::read_packet: av_read_frame failed\n");
+ flushed = 1;
+ return -1;
+ }
+ return 1;
}
int FFStream::decode(AVFrame *frame)
{
int ret = 0;
- int retries = 100;
+ int retries = MAX_RETRY;
int got_frame = 0;
while( ret >= 0 && !flushed && --retries >= 0 && !got_frame ) {
if( need_packet ) {
need_packet = 0;
- ret = read_packet();
- if( ret < 0 ) break;
- if( !ret ) ipkt->stream_index = st->index;
+ if( (ret=read_packet()) < 0 ) break;
}
if( ipkt->stream_index == st->index ) {
- while( ipkt->size > 0 && !got_frame ) {
- ret = decode_frame(frame, got_frame);
- if( ret < 0 ) break;
+ while( (ipkt->size > 0 || !ipkt->data) && !got_frame ) {
+ ret = decode_frame(ipkt, frame, got_frame);
+ if( ret <= 0 || !ipkt->data ) break;
ipkt->data += ret;
ipkt->size -= ret;
}
- retries = 100;
+ retries = MAX_RETRY;
}
if( !got_frame ) {
need_packet = 1;
frame, AV_BUFFERSRC_FLAG_KEEP_REF);
if( ret < 0 ) {
av_frame_unref(frame);
- fprintf(stderr, "FFStream::load_filter: av_buffersrc_add_frame_flags failed\n");
+ eprintf("FFStream::load_filter: av_buffersrc_add_frame_flags failed\n");
}
return ret;
}
if( ret < 0 ) {
if( ret == AVERROR(EAGAIN) ) return 0;
if( ret == AVERROR_EOF ) { st_eof(1); return -1; }
- fprintf(stderr, "FFStream::read_filter: av_buffersink_get_frame failed\n");
+ ff_err(ret, "FFStream::read_filter: av_buffersink_get_frame failed\n");
return ret;
}
return 1;
return ret;
}
-FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx)
- : FFStream(ffmpeg, strm, idx)
+int FFStream::write_packet(FFPacket &pkt)
+{
+ bs_filter(pkt);
+ av_packet_rescale_ts(pkt, st->codec->time_base, st->time_base);
+ pkt->stream_index = st->index;
+ return av_interleaved_write_frame(ffmpeg->fmt_ctx, pkt);
+}
+
+int FFStream::flush()
+{
+ int ret = 0;
+ while( ret >= 0 ) {
+ FFPacket pkt;
+ int got_packet = 0;
+ ret = encode_frame(pkt, 0, got_packet);
+ if( ret < 0 || !got_packet ) break;
+ ret = write_packet(pkt);
+ }
+ if( ret < 0 )
+ ff_err(ret, "FFStream::flush");
+ return ret >= 0 ? 0 : 1;
+}
+
+int FFStream::seek(int64_t no, double rate)
+{
+ if( no < 0 ) no = 0;
+// default ffmpeg native seek
+ int npkts = 1;
+ int64_t pos = no, plmt = -1;
+ if( index_markers && index_markers->size() > 1 ) {
+ IndexMarks &marks = *index_markers;
+ int i = marks.find(pos);
+ int64_t n = i < 0 ? (i=0) : marks[i].no;
+// if indexed seek point not too far away (<30 secs), use index
+ if( no-n < 30*rate ) {
+ if( n < 0 ) n = 0;
+ pos = n;
+ if( ++i < marks.size() ) plmt = marks[i].pos;
+ npkts = MAX_RETRY;
+ }
+ }
+ double secs = pos / rate;
+ int64_t pkt_ts, tstmp = secs * st->time_base.den / st->time_base.num;
+ if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
+ int ret = avformat_seek_file(fmt_ctx, st->index,
+ -INT64_MAX, tstmp, INT64_MAX, AVSEEK_FLAG_ANY);
+ if( ret >= 0 ) {
+ avcodec_flush_buffers(st->codec);
+ need_packet = 0; flushed = 0;
+ seeked = 1; st_eof(0);
+// read up to retry packets, limited to npkts in stream, and not past pkt.pos plmt
+ for( int retry=MAX_RETRY; ret>=0 && --retry>=0; ) {
+ if( read_packet() <= 0 ) { ret = -1; break; }
+ if( plmt >= 0 && ipkt->pos >= plmt ) break;
+ if( ipkt->stream_index != st->index ) continue;
+ if( --npkts <= 0 ) break;
+ if( (pkt_ts=ipkt->dts) == AV_NOPTS_VALUE &&
+ (pkt_ts=ipkt->pts) == AV_NOPTS_VALUE ) continue;
+ if( pkt_ts >= tstmp ) break;
+ }
+ }
+ if( ret < 0 ) {
+//printf("** seek fail %ld, %ld\n", pos, tstmp);
+ seeked = need_packet = 0;
+ st_eof(flushed=1);
+ return -1;
+ }
+//printf("seeked pos = %ld, %ld\n", pos, tstmp);
+ seek_pos = curr_pos = pos;
+ return 0;
+}
+
+FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
+ : FFStream(ffmpeg, strm, fidx)
{
+ this->idx = idx;
channel0 = channels = 0;
sample_rate = 0;
mbsz = 0;
- seek_pos = curr_pos = 0;
length = 0;
resample_context = 0;
aud_bfr_sz = 0;
aud_bfr = 0;
+
+// history buffer
+ nch = 2;
+ sz = 0x10000;
+ long bsz = sz * nch;
+ bfr = new float[bsz];
+ lmt = bfr + bsz;
+ reset_history();
}
FFAudioStream::~FFAudioStream()
{
if( resample_context ) swr_free(&resample_context);
delete [] aud_bfr;
+ delete [] bfr;
}
-int FFAudioStream::load_history(float *&bfr, int len)
+int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
{
+ samples = *(float **)data;
if( resample_context ) {
if( len > aud_bfr_sz ) {
delete [] aud_bfr;
aud_bfr = new float[aud_bfr_sz*channels];
}
int ret = swr_convert(resample_context,
- (uint8_t**)&aud_bfr, aud_bfr_sz,
- (const uint8_t**)&bfr, len);
+ (uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
if( ret < 0 ) {
- fprintf(stderr, "FFAudioStream::load_history: swr_convert failed\n");
+ ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
return -1;
}
- bfr = aud_bfr;
+ samples = aud_bfr;
len = ret;
}
- append_history(bfr, len);
return len;
}
-int FFAudioStream::decode_frame(AVFrame *frame, int &got_frame)
+int FFAudioStream::load_history(uint8_t **data, int len)
+{
+ float *samples;
+ len = get_samples(samples, data, len);
+ if( len > 0 ) {
+ // biggest user bfr since seek + frame
+ realloc(mbsz + len + 1, channels);
+ write(samples, len);
+ }
+ return len;
+}
+
+int FFAudioStream::decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame)
{
- int ret = avcodec_decode_audio4(st->codec, frame, &got_frame, ipkt);
+ int first_frame = seeked; seeked = 0;
+ int ret = avcodec_decode_audio4(st->codec, frame, &got_frame, pkt);
if( ret < 0 ) {
- fprintf(stderr, "FFAudioStream::decode_frame: Could not read audio frame\n");
+ if( first_frame ) return 0;
+ ff_err(ret, "FFAudioStream::decode_frame: Could not read audio frame\n");
return -1;
}
+ if( got_frame ) {
+ int64_t pkt_ts = av_frame_get_best_effort_timestamp(frame);
+ if( pkt_ts != AV_NOPTS_VALUE )
+ curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * sample_rate + 0.5;
+ }
return ret;
}
{
AVCodecContext *ctx = st->codec;
return ctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE ?
- 10000 : ctx->frame_size;
-}
-
-void FFAudioStream::alloc_history(int len)
-{
- history.realloc(len+1, channels);
-}
-
-void FFAudioStream::reserve_history(int len)
-{
- history.reserve(len+1, st->codec->channels);
-}
-
-void FFAudioStream::append_history(const float *fp, int len)
-{
- // biggest user bfr since seek + length this frame
- int hsz = mbsz + len;
- alloc_history(hsz);
- history.write(fp, len);
+ 10000 : ctx->frame_size;
}
int64_t FFAudioStream::load_buffer(double ** const sp, int len)
{
- reserve_history(len);
- int nch = st->codec->channels;
+ reserve(len+1, st->codec->channels);
for( int ch=0; ch<nch; ++ch )
- history.write(sp[ch], len, ch);
- return history.get_inp(len);
-}
-
-void FFAudioStream::zero_history(int len)
-{
- history.zero(len);
-}
-
-float* FFAudioStream::get_history(int len)
-{
- return history.get_outp(len);
+ write(sp[ch], len, ch);
+ return put_inp(len);
}
int FFAudioStream::in_history(int64_t pos)
{
if( pos > curr_pos ) return 0;
- int64_t len = curr_pos - seek_pos;
- if( len > history.sz ) len = history.sz;
+ int64_t len = hpos;
+ if( len > sz ) len = sz;
if( pos < curr_pos - len ) return 0;
return 1;
}
frame->sample_rate = ctx->sample_rate;
int ret = av_frame_get_buffer(frame, 0);
if (ret < 0)
- fprintf(stderr, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
+ ff_err(ret, "FFAudioStream::init_frame: av_frame_get_buffer failed\n");
return ret;
}
int FFAudioStream::load(int64_t pos, int len)
{
if( audio_seek(pos) < 0 ) return -1;
- if( mbsz < len ) mbsz = len;
- int ret = 0;
- int64_t end_pos = pos + len;
if( !frame && !(frame=av_frame_alloc()) ) {
fprintf(stderr, "FFAudioStream::load: av_frame_alloc failed\n");
return -1;
}
- for( int i=0; ret>=0 && !flushed && curr_pos<end_pos && i<1000; ++i ) {
+ if( mbsz < len ) mbsz = len;
+ int64_t end_pos = pos + len;
+ int ret = 0;
+ for( int i=0; ret>=0 && !flushed && curr_pos<end_pos && i<MAX_RETRY; ++i ) {
ret = read_frame(frame);
if( ret > 0 ) {
- load_history((float *&)frame->extended_data[0], frame->nb_samples);
+ load_history(&frame->extended_data[0], frame->nb_samples);
curr_pos += frame->nb_samples;
}
}
- if( flushed && end_pos > curr_pos ) {
- zero_history(end_pos - curr_pos);
+ if( end_pos > curr_pos ) {
+ zero(end_pos - curr_pos);
curr_pos = end_pos;
}
- return curr_pos - pos;
+ len = curr_pos - pos;
+ iseek(len);
+ return len;
}
int FFAudioStream::audio_seek(int64_t pos)
{
if( decode_activate() < 0 ) return -1;
- if( in_history(pos) ) {
- history.iseek(curr_pos - pos);
- return 0;
- }
+ if( !st->codec || !st->codec->codec ) return -1;
+ if( in_history(pos) ) return 0;
if( pos == curr_pos ) return 0;
- double secs = (double)pos / sample_rate;
- int64_t tstmp = secs * st->time_base.den / st->time_base.num;
- if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
- avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, tstmp, INT64_MAX, 0);
- seek_pos = curr_pos = pos;
- mbsz = 0;
- history.reset();
- st_eof(0);
+ reset_history(); mbsz = 0;
+// guarentee preload > 1sec samples
+ if( seek(pos-sample_rate, sample_rate) < 0 ) return -1;
return 1;
}
frm = new FFrame(this);
if( (ret=frm->initted()) < 0 ) break;
AVFrame *frame = *frm;
- float *bfrp = get_history(frame_sz);
+ float *bfrp = get_outp(frame_sz);
ret = swr_convert(resample_context,
(uint8_t **)frame->extended_data, frame_sz,
(const uint8_t **)&bfrp, frame_sz);
if( ret < 0 ) {
- fprintf(stderr, "FFAudioStream::encode: swr_convert failed\n");
+ ff_err(ret, "FFAudioStream::encode: swr_convert failed\n");
break;
}
frm->queue(curr_pos);
return ret >= 0 ? 0 : 1;
}
-FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx)
- : FFStream(ffmpeg, strm, idx)
+int FFAudioStream::encode_frame(AVPacket *pkt, AVFrame *frame, int &got_packet)
{
+ int ret = avcodec_encode_audio2(st->codec, pkt, frame, &got_packet);
+ if( ret < 0 ) {
+ ff_err(ret, "FFAudioStream::encode_frame: encode audio failed\n");
+ return -1;
+ }
+ return ret;
+}
+
+void FFAudioStream::load_markers()
+{
+ IndexState *index_state = ffmpeg->file_base->asset->index_state;
+ if( !index_state || idx >= index_state->audio_markers.size() ) return;
+ FFStream::load_markers(*index_state->audio_markers[idx], sample_rate);
+}
+
+FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx)
+ : FFStream(ffmpeg, strm, fidx)
+{
+ this->idx = idx;
width = height = 0;
frame_rate = 0;
aspect_ratio = 0;
- seek_pos = curr_pos = 0;
length = 0;
- convert_ctx = 0;
}
FFVideoStream::~FFVideoStream()
{
- if( convert_ctx ) sws_freeContext(convert_ctx);
}
-int FFVideoStream::decode_frame(AVFrame *frame, int &got_frame)
+int FFVideoStream::decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame)
{
- int ret = avcodec_decode_video2(st->codec, frame, &got_frame, ipkt);
+ int first_frame = seeked; seeked = 0;
+ int ret = avcodec_decode_video2(st->codec, frame, &got_frame, pkt);
if( ret < 0 ) {
- fprintf(stderr, "FFVideoStream::decode_frame: Could not read video frame\n");
+ if( first_frame ) return 0;
+ ff_err(ret, "FFVideoStream::decode_frame: Could not read video frame\n");
return -1;
}
- if( got_frame )
- ++curr_pos;
+ if( got_frame ) {
+ int64_t pkt_ts = av_frame_get_best_effort_timestamp(frame);
+ if( pkt_ts != AV_NOPTS_VALUE )
+ curr_pos = ffmpeg->to_secs(pkt_ts - nudge, st->time_base) * frame_rate + 0.5;
+ }
return ret;
}
int FFVideoStream::load(VFrame *vframe, int64_t pos)
{
- if( video_seek(pos) < 0 ) return -1;
+ int ret = video_seek(pos);
+ if( ret < 0 ) return -1;
if( !frame && !(frame=av_frame_alloc()) ) {
fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
return -1;
}
- int ret = 0;
- for( int i=0; ret>=0 && !flushed && curr_pos<=pos && i<1000; ++i ) {
+ for( int i=0; ret>=0 && !flushed && curr_pos<=pos && i<MAX_RETRY; ++i ) {
ret = read_frame(frame);
+ if( ret > 0 ) ++curr_pos;
}
- if( ret > 0 ) {
+ if( ret >= 0 ) {
AVCodecContext *ctx = st->codec;
ret = convert_cmodel(vframe, (AVPicture *)frame,
ctx->pix_fmt, ctx->width, ctx->height);
int FFVideoStream::video_seek(int64_t pos)
{
if( decode_activate() < 0 ) return -1;
+ if( !st->codec || !st->codec->codec ) return -1;
+ if( pos == curr_pos-1 && !seeked ) return 0;
// if close enough, just read up to current
-// 3*gop_size seems excessive, but less causes tears
- int gop = 3*st->codec->gop_size;
+ int gop = st->codec->gop_size;
if( gop < 4 ) gop = 4;
if( gop > 64 ) gop = 64;
- if( pos >= curr_pos && pos <= curr_pos + gop ) return 0;
-// back up a few frames to read up to current to help repair damages
- if( (pos-=gop) < 0 ) pos = 0;
- double secs = (double)pos / frame_rate;
- int64_t tstmp = secs * st->time_base.den / st->time_base.num;
- if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
- avformat_seek_file(fmt_ctx, st->index, -INT64_MAX, tstmp, INT64_MAX, 0);
- seek_pos = curr_pos = pos;
- st_eof(0);
+ int read_limit = curr_pos + 3*gop;
+ if( pos >= curr_pos && pos <= read_limit ) return 0;
+// guarentee preload more than 2*gop frames
+ if( seek(pos - 3*gop, frame_rate) < 0 ) return -1;
return 1;
}
return ret >= 0 ? 0 : 1;
}
+int FFVideoStream::encode_frame(AVPacket *pkt, AVFrame *frame, int &got_packet)
+{
+ int ret = avcodec_encode_video2(st->codec, pkt, frame, &got_packet);
+ if( ret < 0 ) {
+ ff_err(ret, "FFVideoStream::encode_frame: encode video failed\n");
+ return -1;
+ }
+ return ret;
+}
-PixelFormat FFVideoStream::color_model_to_pix_fmt(int color_model)
+PixelFormat FFVideoConvert::color_model_to_pix_fmt(int color_model)
{
switch( color_model ) {
case BC_YUV422: return AV_PIX_FMT_YUYV422;
return AV_PIX_FMT_NB;
}
-int FFVideoStream::pix_fmt_to_color_model(PixelFormat pix_fmt)
+int FFVideoConvert::pix_fmt_to_color_model(PixelFormat pix_fmt)
{
switch (pix_fmt) {
case AV_PIX_FMT_YUYV422: return BC_YUV422;
return BC_TRANSPARENCY;
}
-int FFVideoStream::convert_picture_vframe(VFrame *frame,
+int FFVideoConvert::convert_picture_vframe(VFrame *frame,
AVPicture *ip, PixelFormat ifmt, int iw, int ih)
{
AVPicture opic;
convert_ctx = sws_getCachedContext(convert_ctx, iw, ih, ifmt,
frame->get_w(), frame->get_h(), ofmt, SWS_BICUBIC, NULL, NULL, NULL);
if( !convert_ctx ) {
- fprintf(stderr, "FFVideoStream::convert_picture_frame:"
+ fprintf(stderr, "FFVideoConvert::convert_picture_frame:"
" sws_getCachedContext() failed\n");
- return 1;
+ return -1;
}
- if( sws_scale(convert_ctx, ip->data, ip->linesize, 0, ih,
- opic.data, opic.linesize) < 0 ) {
- fprintf(stderr, "FFVideoStream::convert_picture_frame: sws_scale() failed\n");
- return 1;
+ int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ih,
+ opic.data, opic.linesize);
+ if( ret < 0 ) {
+ ff_err(ret, "FFVideoConvert::convert_picture_frame: sws_scale() failed\n");
+ return -1;
}
return 0;
}
-int FFVideoStream::convert_cmodel(VFrame *frame,
+int FFVideoConvert::convert_cmodel(VFrame *frame,
AVPicture *ip, PixelFormat ifmt, int iw, int ih)
{
// try direct transfer
return 1;
}
-int FFVideoStream::convert_vframe_picture(VFrame *frame,
+int FFVideoConvert::transfer_cmodel(VFrame *frame,
+ AVFrame *ifp, PixelFormat ifmt, int iw, int ih)
+{
+ int ret = convert_cmodel(frame, (AVPicture *)ifp, ifmt, iw, ih);
+ if( ret > 0 ) {
+ const AVDictionary *src = av_frame_get_metadata(ifp);
+ AVDictionaryEntry *t = NULL;
+ BC_Hash *hp = frame->get_params();
+ //hp->clear();
+ while( (t=av_dict_get(src, "", t, AV_DICT_IGNORE_SUFFIX)) )
+ hp->update(t->key, t->value);
+ }
+ return ret;
+}
+
+int FFVideoConvert::convert_vframe_picture(VFrame *frame,
AVPicture *op, PixelFormat ofmt, int ow, int oh)
{
AVPicture opic;
convert_ctx = sws_getCachedContext(convert_ctx, frame->get_w(), frame->get_h(), ifmt,
ow, oh, ofmt, SWS_BICUBIC, NULL, NULL, NULL);
if( !convert_ctx ) {
- fprintf(stderr, "FFVideoStream::convert_frame_picture:"
+ fprintf(stderr, "FFVideoConvert::convert_frame_picture:"
" sws_getCachedContext() failed\n");
- return 1;
+ return -1;
}
- if( sws_scale(convert_ctx, opic.data, opic.linesize, 0, frame->get_h(),
- op->data, op->linesize) < 0 ) {
- fprintf(stderr, "FFVideoStream::convert_frame_picture: sws_scale() failed\n");
- return 1;
+ int ret = sws_scale(convert_ctx, opic.data, opic.linesize, 0, frame->get_h(),
+ op->data, op->linesize);
+ if( ret < 0 ) {
+ ff_err(ret, "FFVideoConvert::convert_frame_picture: sws_scale() failed\n");
+ return -1;
}
return 0;
}
-int FFVideoStream::convert_pixfmt(VFrame *frame,
+int FFVideoConvert::convert_pixfmt(VFrame *frame,
AVPicture *op, PixelFormat ofmt, int ow, int oh)
{
// try direct transfer
- if( !convert_vframe_picture(frame, op, ofmt, ow, oh) ) return 0;
+ if( !convert_vframe_picture(frame, op, ofmt, ow, oh) ) return 1;
// use indirect transfer
int colormodel = frame->get_color_model();
int bits = BC_CModels::calculate_pixelsize(colormodel) * 8;
(bits > 8 ? BC_RGB161616: BC_RGB888) ;
VFrame vframe(frame->get_w(), frame->get_h(), icolor_model);
vframe.transfer_from(frame);
- if( convert_vframe_picture(&vframe, op, ofmt, ow, oh) ) return 1;
- return 0;
+ if( !convert_vframe_picture(&vframe, op, ofmt, ow, oh) ) return 1;
+ return -1;
+}
+
+int FFVideoConvert::transfer_pixfmt(VFrame *frame,
+ AVFrame *ofp, PixelFormat ofmt, int ow, int oh)
+{
+ int ret = convert_pixfmt(frame, (AVPicture *)ofp, ofmt, ow, oh);
+ if( ret > 0 ) {
+ BC_Hash *hp = frame->get_params();
+ AVDictionary **dict = avpriv_frame_get_metadatap(ofp);
+ //av_dict_free(dict);
+ for( int i=0; i<hp->size(); ++i ) {
+ char *key = hp->get_key(i), *val = hp->get_value(i);
+ av_dict_set(dict, key, val, 0);
+ }
+ }
+ return ret;
+}
+
+void FFVideoStream::load_markers()
+{
+ IndexState *index_state = ffmpeg->file_base->asset->index_state;
+ if( idx >= index_state->video_markers.size() ) return;
+ FFStream::load_markers(*index_state->video_markers[idx], frame_rate);
}
close_encoder();
ffaudio.remove_all_objects();
ffvideo.remove_all_objects();
- if( encoding ) avformat_free_context(fmt_ctx);
+ if( fmt_ctx ) avformat_close_input(&fmt_ctx);
ff_unlock();
delete flow_lock;
delete mux_lock;
av_dict_free(&opts);
- delete opt_video_filter;
- delete opt_audio_filter;
+ delete [] opt_video_filter;
+ delete [] opt_audio_filter;
}
int FFMPEG::check_sample_rate(AVCodec *codec, int sample_rate)
return max_err < 0.0001 ? best_rate : (AVRational) { 0, 0 };
}
-AVRational FFMPEG::to_sample_aspect_ratio(double aspect_ratio)
+AVRational FFMPEG::to_sample_aspect_ratio(Asset *asset)
{
- int height = 1000000, width = height * aspect_ratio;
+#if 1
+ double display_aspect = asset->width / (double)asset->height;
+ double sample_aspect = asset->aspect_ratio / display_aspect;
+ int width = 1000000, height = width * sample_aspect + 0.5;
float w, h;
MWindow::create_aspect_ratio(w, h, width, height);
- return (AVRational){(int)w, (int)h};
+ return (AVRational){(int)h, (int)w};
+#else
+// square pixels
+ return (AVRational){1, 1};
+#endif
}
AVRational FFMPEG::to_time_base(int sample_rate)
return (AVRational){1, sample_rate};
}
-extern void get_exe_path(char *result); // from main.C
-
void FFMPEG::set_option_path(char *path, const char *fmt, ...)
{
get_exe_path(path);
set_option_path(path, "%s/%s", type, spec);
}
-int FFMPEG::check_option(const char *path, char *spec)
+int FFMPEG::get_format(char *format, const char *path, char *spec)
{
- char option_path[BCTEXTLEN], line[BCTEXTLEN];
- char format[BCSTRLEN], codec[BCSTRLEN];
+ char option_path[BCTEXTLEN], line[BCTEXTLEN], codec[BCTEXTLEN];
get_option_path(option_path, path, spec);
FILE *fp = fopen(option_path,"r");
if( !fp ) return 1;
line[sizeof(line)-1] = 0;
ret = scan_option_line(line, format, codec);
}
- if( !ret ) {
- if( !file_format[0] ) strcpy(file_format, format);
- else if( strcmp(file_format, format) ) ret = 1;
- }
fclose(fp);
return ret;
}
-const char *FFMPEG::get_file_format()
+int FFMPEG::get_file_format()
{
- file_format[0] = 0;
int ret = 0;
+ char audio_format[BCSTRLEN], video_format[BCSTRLEN];
+ file_format[0] = audio_format[0] = video_format[0] = 0;
Asset *asset = file_base->asset;
if( !ret && asset->audio_data )
- ret = check_option("audio", asset->acodec);
+ ret = get_format(audio_format, "audio", asset->acodec);
if( !ret && asset->video_data )
- ret = check_option("video", asset->vcodec);
- if( !ret && !file_format[0] ) ret = 1;
- return !ret ? file_format : 0;
+ ret = get_format(video_format, "video", asset->vcodec);
+ if( !ret && !audio_format[0] && !video_format[0] )
+ ret = 1;
+ if( !ret && audio_format[0] && video_format[0] &&
+ strcmp(audio_format, video_format) ) ret = -1;
+ if( !ret )
+ strcpy(file_format, audio_format[0] ? audio_format : video_format);
+ return ret;
}
int FFMPEG::scan_option_line(char *cp, char *tag, char *val)
return 0;
}
-int FFMPEG::read_options(const char *options, char *format, char *codec,
- char *bsfilter, char *bsargs, AVDictionary *&opts)
+int FFMPEG::get_encoder(const char *options,
+ char *format, char *codec, char *bsfilter, char *bsargs)
{
FILE *fp = fopen(options,"r");
if( !fp ) {
- fprintf(stderr, "FFMPEG::read_options: options open failed %s\n",options);
+ eprintf("FFMPEG::get_encoder: options open failed %s\n",options);
return 1;
}
- int ret = read_options(fp, options, format, codec, opts);
- char *cp = codec;
- while( *cp && *cp != '|' ) ++cp;
- if( *cp == '|' && !scan_option_line(cp+1, bsfilter, bsargs) ) {
- do { *cp-- = 0; } while( cp>=codec && (*cp==' ' || *cp == '\t' ) );
- }
- else
- bsfilter[0] = bsargs[0] = 0;
+ if( get_encoder(fp, format, codec, bsfilter, bsargs) )
+ eprintf(_("FFMPEG::get_encoder:"
+ " err: format/codec not found %s\n"), options);
fclose(fp);
- return ret;
+ return 0;
}
-int FFMPEG::read_options(FILE *fp, const char *options,
- char *format, char *codec, AVDictionary *&opts)
+int FFMPEG::get_encoder(FILE *fp,
+ char *format, char *codec, char *bsfilter, char *bsargs)
{
+ format[0] = codec[0] = bsfilter[0] = bsargs[0] = 0;
char line[BCTEXTLEN];
- if( !fgets(line, sizeof(line), fp) ) {
- fprintf(stderr, "FFMPEG::read_options:"
- " options file empty %s\n",options);
- return 1;
- }
+ if( !fgets(line, sizeof(line), fp) ) return 1;
line[sizeof(line)-1] = 0;
- if( scan_option_line(line, format, codec) ) {
- fprintf(stderr, "FFMPEG::read_options:"
- " err: format/codec not found %s\n", options);
- return 1;
- }
- return read_options(fp, options, opts, 1);
+ if( scan_option_line(line, format, codec) ) return 1;
+ char *cp = codec;
+ while( *cp && *cp != '|' ) ++cp;
+ if( !*cp ) return 0;
+ if( scan_option_line(cp+1, bsfilter, bsargs) ) return 1;
+ do { *cp-- = 0; } while( cp>=codec && (*cp==' ' || *cp == '\t' ) );
+ return 0;
}
int FFMPEG::read_options(const char *options, AVDictionary *&opts)
return ret;
}
-int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts, int no)
+int FFMPEG::scan_options(const char *options, AVDictionary *&opts, AVStream *st)
{
- int ret = 0;
+ FILE *fp = fmemopen((void *)options,strlen(options),"r");
+ if( !fp ) return 0;
+ int ret = read_options(fp, options, opts);
+ fclose(fp);
+ AVDictionaryEntry *tag = av_dict_get(opts, "id", NULL, 0);
+ if( tag ) st->id = strtol(tag->value,0,0);
+ return ret;
+}
+
+int FFMPEG::read_options(FILE *fp, const char *options, AVDictionary *&opts)
+{
+ int ret = 0, no = 0;
char line[BCTEXTLEN];
while( !ret && fgets(line, sizeof(line), fp) ) {
line[sizeof(line)-1] = 0;
++no;
if( line[0] == '#' ) continue;
+ if( line[0] == '\n' ) continue;
char key[BCSTRLEN], val[BCTEXTLEN];
if( scan_option_line(line, key, val) ) {
- fprintf(stderr, "FFMPEG::read_options:"
- " err reading %s: line %d\n", options, no);
+ eprintf(_("FFMPEG::read_options:"
+ " err reading %s: line %d\n"), options, no);
ret = 1;
}
if( !ret ) {
if( !strcmp(key, "duration") )
opt_duration = strtod(val, 0);
- if( !strcmp(key, "video_filter") )
+ else if( !strcmp(key, "video_filter") )
opt_video_filter = cstrdup(val);
- if( !strcmp(key, "audio_filter") )
+ else if( !strcmp(key, "audio_filter") )
opt_audio_filter = cstrdup(val);
else if( !strcmp(key, "loglevel") )
set_loglevel(val);
return read_options(option_path, opts);
}
+int FFMPEG::load_options(const char *path, char *bfr, int len)
+{
+ *bfr = 0;
+ FILE *fp = fopen(path, "r");
+ if( !fp ) return 1;
+ fgets(bfr, len, fp); // skip hdr
+ len = fread(bfr, 1, len-1, fp);
+ if( len < 0 ) len = 0;
+ bfr[len] = 0;
+ fclose(fp);
+ return 0;
+}
+
void FFMPEG::set_loglevel(const char *ap)
{
if( !ap || !*ap ) return;
int FFMPEG::info(char *text, int len)
{
if( len <= 0 ) return 0;
+ decode_activate();
#define report(s...) do { int n = snprintf(cp,len,s); cp += n; len -= n; } while(0)
char *cp = text;
- for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
- AVStream *st = fmt_ctx->streams[i];
+ if( ffvideo.size() > 0 )
+ report("\n%d video stream%s\n",ffvideo.size(), ffvideo.size()!=1 ? "s" : "");
+ for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
+ FFVideoStream *vid = ffvideo[vidx];
+ AVStream *st = vid->st;
AVCodecContext *avctx = st->codec;
- report("stream %d, id 0x%06x:\n", i, avctx->codec_id);
+ report(_("vid%d (%d), id 0x%06x:\n"), vid->idx, vid->fidx, avctx->codec_id);
const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
- if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
- AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
- double frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
- report(" video %s",desc ? desc->name : " (unkn)");
- report(" %dx%d %5.2f", avctx->width, avctx->height, frame_rate);
- const char *pfn = av_get_pix_fmt_name(avctx->pix_fmt);
- report(" pix %s\n", pfn ? pfn : "(unkn)");
- double secs = to_secs(st->duration, st->time_base);
- int64_t length = secs * frame_rate + 0.5;
- report(" %jd frms %0.2f secs", length, secs);
- int hrs = secs/3600; secs -= hrs*3600;
- int mins = secs/60; secs -= mins*60;
- report(" %d:%02d:%05.2f\n", hrs, mins, secs);
-
- }
- else if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
- int sample_rate = avctx->sample_rate;
- const char *fmt = av_get_sample_fmt_name(avctx->sample_fmt);
- report(" audio %s",desc ? desc->name : " (unkn)");
- report(" %dch %s %d",avctx->channels, fmt, sample_rate);
- int sample_bits = av_get_bits_per_sample(avctx->codec_id);
- report(" %dbits\n", sample_bits);
- double secs = to_secs(st->duration, st->time_base);
- int64_t length = secs * sample_rate + 0.5;
- report(" %jd smpl %0.2f secs", length, secs);
- int hrs = secs/3600; secs -= hrs*3600;
- int mins = secs/60; secs -= mins*60;
- report(" %d:%02d:%05.2f\n", hrs, mins, secs);
- }
- else
- report(" codec_type unknown\n");
- }
- report("\n");
+ report(" video%d %s", vidx+1, desc ? desc->name : " (unkn)");
+ report(" %dx%d %5.2f", vid->width, vid->height, vid->frame_rate);
+ const char *pfn = av_get_pix_fmt_name(avctx->pix_fmt);
+ report(" pix %s\n", pfn ? pfn : "(unkn)");
+ double secs = to_secs(st->duration, st->time_base);
+ int64_t length = secs * vid->frame_rate + 0.5;
+ double ofs = to_secs((vid->nudge - st->start_time), st->time_base);
+ int64_t nudge = ofs * vid->frame_rate;
+ int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
+ report(" %jd%c%jd frms %0.2f secs", length,ch,nudge, secs);
+ int hrs = secs/3600; secs -= hrs*3600;
+ int mins = secs/60; secs -= mins*60;
+ report(" %d:%02d:%05.2f\n", hrs, mins, secs);
+ }
+ if( ffaudio.size() > 0 )
+ report("\n%d audio stream%s\n",ffaudio.size(), ffaudio.size()!=1 ? "s" : "");
+ for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
+ FFAudioStream *aud = ffaudio[aidx];
+ AVStream *st = aud->st;
+ AVCodecContext *avctx = st->codec;
+ report(_("aud%d (%d), id 0x%06x:\n"), aud->idx, aud->fidx, avctx->codec_id);
+ const AVCodecDescriptor *desc = avcodec_descriptor_get(avctx->codec_id);
+ int nch = aud->channels, ch0 = aud->channel0+1;
+ report(" audio%d-%d %s", ch0, ch0+nch-1, desc ? desc->name : " (unkn)");
+ const char *fmt = av_get_sample_fmt_name(avctx->sample_fmt);
+ report(" %s %d", fmt, aud->sample_rate);
+ int sample_bits = av_get_bits_per_sample(avctx->codec_id);
+ report(" %dbits\n", sample_bits);
+ double secs = to_secs(st->duration, st->time_base);
+ int64_t length = secs * aud->sample_rate + 0.5;
+ double ofs = to_secs((aud->nudge - st->start_time), st->time_base);
+ int64_t nudge = ofs * aud->sample_rate;
+ int ch = nudge >= 0 ? '+' : (nudge=-nudge, '-');
+ report(" %jd%c%jd smpl %0.2f secs", length,ch,nudge, secs);
+ int hrs = secs/3600; secs -= hrs*3600;
+ int mins = secs/60; secs -= mins*60;
+ report(" %d:%02d:%05.2f\n", hrs, mins, secs);
+ }
+ if( fmt_ctx->nb_programs > 0 )
+ report("\n%d program%s\n",fmt_ctx->nb_programs, fmt_ctx->nb_programs!=1 ? "s" : "");
for( int i=0; i<(int)fmt_ctx->nb_programs; ++i ) {
report("program %d", i+1);
AVProgram *pgrm = fmt_ctx->programs[i];
- for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j )
- report(", %d", pgrm->stream_index[j]);
+ for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
+ int idx = pgrm->stream_index[j];
+ int vidx = ffvideo.size();
+ while( --vidx>=0 && ffvideo[vidx]->fidx != idx );
+ if( vidx >= 0 ) {
+ report(", vid%d", vidx);
+ continue;
+ }
+ int aidx = ffaudio.size();
+ while( --aidx>=0 && ffaudio[aidx]->fidx != idx );
+ if( aidx >= 0 ) {
+ report(", aud%d", aidx);
+ continue;
+ }
+ report(", (%d)", pgrm->stream_index[j]);
+ }
report("\n");
}
report("\n");
fp = fopen(file_opts, "r");
}
if( fp ) {
- read_options(fp, file_opts, opts, 0);
+ read_options(fp, file_opts, opts);
fclose(fp);
}
else
{
struct stat st;
if( stat(fmt_ctx->filename, &st) < 0 ) {
- fprintf(stderr,"FFMPEG::open_decoder: can't stat file: %s\n",
+ eprintf("FFMPEG::open_decoder: can't stat file: %s\n",
fmt_ctx->filename);
return 1;
}
AVStream *st = fmt_ctx->streams[i];
if( st->duration == AV_NOPTS_VALUE ) bad_time = 1;
AVCodecContext *avctx = st->codec;
+ const AVCodecDescriptor *codec_desc = avcodec_descriptor_get(avctx->codec_id);
+ if( !codec_desc ) continue;
if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
+ if( avctx->width < 1 ) continue;
+ if( avctx->height < 1 ) continue;
+ AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
+ if( framerate.num < 1 ) continue;
has_video = 1;
- FFVideoStream *vid = new FFVideoStream(this, st, i);
int vidx = ffvideo.size();
+ FFVideoStream *vid = new FFVideoStream(this, st, vidx, i);
vstrm_index.append(ffidx(vidx, 0));
ffvideo.append(vid);
vid->width = avctx->width;
vid->height = avctx->height;
- AVRational framerate = av_guess_frame_rate(fmt_ctx, st, 0);
vid->frame_rate = !framerate.den ? 0 : (double)framerate.num / framerate.den;
double secs = to_secs(st->duration, st->time_base);
vid->length = secs * vid->frame_rate;
vid->create_filter(opt_video_filter, avctx,avctx);
}
else if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
+ if( avctx->channels < 1 ) continue;
+ if( avctx->sample_rate < 1 ) continue;
has_audio = 1;
- FFAudioStream *aud = new FFAudioStream(this, st, i);
int aidx = ffaudio.size();
+ FFAudioStream *aud = new FFAudioStream(this, st, aidx, i);
ffaudio.append(aud);
aud->channel0 = astrm_index.size();
aud->channels = avctx->channels;
int FFMPEG::init_encoder(const char *filename)
{
- const char *format = get_file_format();
- if( !format ) {
- fprintf(stderr, "FFMPEG::init_encoder: invalid file format for %s\n", filename);
+ int fd = ::open(filename,O_WRONLY);
+ if( fd < 0 ) fd = open(filename,O_WRONLY+O_CREAT,0666);
+ if( fd < 0 ) {
+ eprintf("FFMPEG::init_encoder: bad file path: %s\n", filename);
+ return 1;
+ }
+ ::close(fd);
+ int ret = get_file_format();
+ if( ret > 0 ) {
+ eprintf("FFMPEG::init_encoder: bad file format: %s\n", filename);
+ return 1;
+ }
+ if( ret < 0 ) {
+ eprintf("FFMPEG::init_encoder: mismatch audio/video file format: %s\n", filename);
return 1;
}
- int ret = 0;
ff_lock("FFMPEG::init_encoder");
av_register_all();
- avformat_alloc_output_context2(&fmt_ctx, 0, format, filename);
+ avformat_alloc_output_context2(&fmt_ctx, 0, file_format, filename);
if( !fmt_ctx ) {
- fprintf(stderr, "FFMPEG::init_encoder: failed: %s\n", filename);
+ eprintf("FFMPEG::init_encoder: failed: %s\n", filename);
ret = 1;
}
if( !ret ) {
return ret;
}
-int FFMPEG::open_encoder(const char *path, const char *spec)
+int FFMPEG::open_encoder(const char *type, const char *spec)
{
Asset *asset = file_base->asset;
AVDictionary *sopts = 0;
av_dict_copy(&sopts, opts, 0);
char option_path[BCTEXTLEN];
- set_option_path(option_path, "%s/%s.opts", path, path);
+ set_option_path(option_path, "%s/%s.opts", type, type);
read_options(option_path, sopts);
- get_option_path(option_path, path, spec);
+ get_option_path(option_path, type, spec);
char format_name[BCSTRLEN], codec_name[BCTEXTLEN];
char bsfilter[BCSTRLEN], bsargs[BCTEXTLEN];
- if( read_options(option_path, format_name, codec_name, bsfilter, bsargs, sopts) ) {
- fprintf(stderr, "FFMPEG::open_encoder: read options failed %s:%s\n",
+ if( get_encoder(option_path, format_name, codec_name, bsfilter, bsargs) ) {
+ eprintf("FFMPEG::open_encoder: get_encoder failed %s:%s\n",
option_path, filename);
return 1;
}
+ if( !strcmp(codec_name, CODEC_TAG_DVSD) ) strcpy(codec_name, "dv");
+ else if( !strcmp(codec_name, CODEC_TAG_MJPEG) ) strcpy(codec_name, "mjpeg");
+ else if( !strcmp(codec_name, CODEC_TAG_JPEG) ) strcpy(codec_name, "jpeg");
+
int ret = 0;
ff_lock("FFMPEG::open_encoder");
FFStream *fst = 0;
const AVCodecDescriptor *codec_desc = 0;
AVCodec *codec = avcodec_find_encoder_by_name(codec_name);
if( !codec ) {
- fprintf(stderr, "FFMPEG::open_encoder: cant find codec %s:%s\n",
+ eprintf("FFMPEG::open_encoder: cant find codec %s:%s\n",
codec_name, filename);
ret = 1;
}
if( !ret ) {
codec_desc = avcodec_descriptor_get(codec->id);
if( !codec_desc ) {
- fprintf(stderr, "FFMPEG::open_encoder: unknown codec %s:%s\n",
+ eprintf("FFMPEG::open_encoder: unknown codec %s:%s\n",
codec_name, filename);
ret = 1;
}
if( !ret ) {
st = avformat_new_stream(fmt_ctx, 0);
if( !st ) {
- fprintf(stderr, "FFMPEG::open_encoder: cant create stream %s:%s\n",
+ eprintf("FFMPEG::open_encoder: cant create stream %s:%s\n",
codec_name, filename);
ret = 1;
}
switch( codec_desc->type ) {
case AVMEDIA_TYPE_AUDIO: {
if( has_audio ) {
- fprintf(stderr, "FFMPEG::open_encoder: duplicate audio %s:%s\n",
+ eprintf("FFMPEG::open_encoder: duplicate audio %s:%s\n",
codec_name, filename);
ret = 1;
break;
}
has_audio = 1;
+ if( scan_options(asset->ff_audio_options, sopts, st) ) {
+ eprintf("FFMPEG::open_encoder: bad audio options %s:%s\n",
+ codec_name, filename);
+ ret = 1;
+ break;
+ }
+ if( asset->ff_audio_bitrate > 0 ) {
+ ctx->bit_rate = asset->ff_audio_bitrate;
+ char arg[BCSTRLEN];
+ sprintf(arg, "%d", asset->ff_audio_bitrate);
+ av_dict_set(&sopts, "b", arg, 0);
+ }
int aidx = ffaudio.size();
- int idx = aidx + ffvideo.size();
- FFAudioStream *aud = new FFAudioStream(this, st, idx);
+ int fidx = aidx + ffvideo.size();
+ FFAudioStream *aud = new FFAudioStream(this, st, aidx, fidx);
ffaudio.append(aud); fst = aud;
aud->sample_rate = asset->sample_rate;
ctx->channels = aud->channels = asset->channels;
ctx->channel_layout = av_get_default_channel_layout(ctx->channels);
ctx->sample_rate = check_sample_rate(codec, asset->sample_rate);
if( !ctx->sample_rate ) {
- fprintf(stderr, "FFMPEG::open_audio_encode:"
+ eprintf("FFMPEG::open_audio_encode:"
" check_sample_rate failed %s\n", filename);
ret = 1;
break;
break; }
case AVMEDIA_TYPE_VIDEO: {
if( has_video ) {
- fprintf(stderr, "FFMPEG::open_encoder: duplicate video %s:%s\n",
+ eprintf("FFMPEG::open_encoder: duplicate video %s:%s\n",
codec_name, filename);
ret = 1;
break;
}
has_video = 1;
+ if( scan_options(asset->ff_video_options, sopts, st) ) {
+ eprintf("FFMPEG::open_encoder: bad video options %s:%s\n",
+ codec_name, filename);
+ ret = 1;
+ break;
+ }
+ if( asset->ff_video_bitrate > 0 ) {
+ ctx->bit_rate = asset->ff_video_bitrate;
+ char arg[BCSTRLEN];
+ sprintf(arg, "%d", asset->ff_video_bitrate);
+ av_dict_set(&sopts, "b", arg, 0);
+ }
+ else if( asset->ff_video_quality > 0 ) {
+ ctx->global_quality = asset->ff_video_quality * FF_QP2LAMBDA;
+ ctx->qmin = ctx->qmax = asset->ff_video_quality;
+ ctx->mb_lmin = ctx->qmin * FF_QP2LAMBDA;
+ ctx->mb_lmax = ctx->qmax * FF_QP2LAMBDA;
+ ctx->flags |= CODEC_FLAG_QSCALE;
+ char arg[BCSTRLEN];
+ av_dict_set(&sopts, "flags", "+qscale", 0);
+ sprintf(arg, "%d", asset->ff_video_quality);
+ av_dict_set(&sopts, "qscale", arg, 0);
+ sprintf(arg, "%d", ctx->global_quality);
+ av_dict_set(&sopts, "global_quality", arg, 0);
+ }
int vidx = ffvideo.size();
- int idx = vidx + ffaudio.size();
- FFVideoStream *vid = new FFVideoStream(this, st, idx);
+ int fidx = vidx + ffaudio.size();
+ FFVideoStream *vid = new FFVideoStream(this, st, vidx, fidx);
vstrm_index.append(ffidx(vidx, 0));
ffvideo.append(vid); fst = vid;
vid->width = asset->width;
vid->height = asset->height;
ctx->height = (vid->height+3) & ~3;
vid->frame_rate = asset->frame_rate;
- ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset->aspect_ratio);
+ ctx->sample_aspect_ratio = to_sample_aspect_ratio(asset);
ctx->pix_fmt = codec->pix_fmts ? codec->pix_fmts[0] : AV_PIX_FMT_YUV420P;
AVRational frame_rate = check_frame_rate(codec, vid->frame_rate);
if( !frame_rate.num || !frame_rate.den ) {
- fprintf(stderr, "FFMPEG::open_audio_encode:"
+ eprintf("FFMPEG::open_audio_encode:"
" check_frame_rate failed %s\n", filename);
ret = 1;
break;
vid->writing = -1;
break; }
default:
- fprintf(stderr, "FFMPEG::open_encoder: not audio/video, %s:%s\n",
+ eprintf("FFMPEG::open_encoder: not audio/video, %s:%s\n",
codec_name, filename);
ret = 1;
}
}
if( !ret ) {
+ if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
+ st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
+
ret = avcodec_open2(st->codec, codec, &sopts);
if( ret < 0 ) {
ff_err(ret,"FFMPEG::open_encoder");
- fprintf(stderr, "FFMPEG::open_encoder: open failed %s:%s\n",
+ eprintf("FFMPEG::open_encoder: open failed %s:%s\n",
codec_name, filename);
ret = 1;
}
ret = 0;
}
if( !ret ) {
- if( fmt_ctx->oformat->flags & AVFMT_GLOBALHEADER )
- st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
if( fst && bsfilter[0] )
fst->add_bsfilter(bsfilter, !bsargs[0] ? 0 : bsargs);
}
{
if( decoding < 0 ) {
decoding = 0;
+ for( int vidx=0; vidx<ffvideo.size(); ++vidx )
+ ffvideo[vidx]->nudge = AV_NOPTS_VALUE;
+ for( int aidx=0; aidx<ffaudio.size(); ++aidx )
+ ffaudio[aidx]->nudge = AV_NOPTS_VALUE;
+ // set nudges for each program stream set
int npgrms = fmt_ctx->nb_programs;
for( int i=0; i<npgrms; ++i ) {
AVProgram *pgrm = fmt_ctx->programs[i];
// first start time video stream
- int64_t vstart_time = -1;
+ int64_t vstart_time = -1, astart_time = -1;
for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
- int st_idx = pgrm->stream_index[j];
- AVStream *st = fmt_ctx->streams[st_idx];
+ int fidx = pgrm->stream_index[j];
+ AVStream *st = fmt_ctx->streams[fidx];
AVCodecContext *avctx = st->codec;
if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
if( st->start_time == AV_NOPTS_VALUE ) continue;
+ if( vstart_time > st->start_time ) continue;
vstart_time = st->start_time;
- break;
+ continue;
}
- }
- // max start time audio stream
- int64_t astart_time = -1;
- for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
- int st_idx = pgrm->stream_index[j];
- AVStream *st = fmt_ctx->streams[st_idx];
- AVCodecContext *avctx = st->codec;
if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
if( st->start_time == AV_NOPTS_VALUE ) continue;
if( astart_time > st->start_time ) continue;
astart_time = st->start_time;
+ continue;
}
}
- if( astart_time < 0 || vstart_time < 0 ) continue;
// match program streams to max start_time
int64_t nudge = vstart_time > astart_time ? vstart_time : astart_time;
for( int j=0; j<(int)pgrm->nb_stream_indexes; ++j ) {
- int st_idx = pgrm->stream_index[j];
- AVStream *st = fmt_ctx->streams[st_idx];
+ int fidx = pgrm->stream_index[j];
+ AVStream *st = fmt_ctx->streams[fidx];
AVCodecContext *avctx = st->codec;
- if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
- for( int k=0; k<ffaudio.size(); ++k ) {
- if( ffaudio[k]->idx == st_idx )
- ffaudio[k]->nudge = nudge;
+ if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
+ for( int k=0; k<ffvideo.size(); ++k ) {
+ if( ffvideo[k]->fidx != fidx ) continue;
+ ffvideo[k]->nudge = nudge;
}
+ continue;
}
- else if( avctx->codec_type == AVMEDIA_TYPE_VIDEO ) {
- for( int k=0; k<ffvideo.size(); ++k ) {
- if( ffvideo[k]->idx == st_idx )
- ffvideo[k]->nudge = nudge;
+ if( avctx->codec_type == AVMEDIA_TYPE_AUDIO ) {
+ for( int k=0; k<ffaudio.size(); ++k ) {
+ if( ffaudio[k]->fidx != fidx ) continue;
+ ffaudio[k]->nudge = nudge;
}
+ continue;
}
}
}
+ // set nudges for any streams not yet set
int64_t vstart_time = 0, astart_time = 0;
int nstreams = fmt_ctx->nb_streams;
for( int i=0; i<nstreams; ++i ) {
AVStream *st = fmt_ctx->streams[i];
AVCodecContext *avctx = st->codec;
switch( avctx->codec_type ) {
- case AVMEDIA_TYPE_VIDEO:
+ case AVMEDIA_TYPE_VIDEO: {
if( st->start_time == AV_NOPTS_VALUE ) continue;
+ int vidx = ffvideo.size();
+ while( --vidx >= 0 && ffvideo[vidx]->fidx != i );
+ if( vidx >= 0 && ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
if( vstart_time >= st->start_time ) continue;
vstart_time = st->start_time;
- break;
- case AVMEDIA_TYPE_AUDIO:
+ break; }
+ case AVMEDIA_TYPE_AUDIO: {
if( st->start_time == AV_NOPTS_VALUE ) continue;
+ int aidx = ffaudio.size();
+ while( --aidx >= 0 && ffaudio[aidx]->fidx != i );
+ if( aidx >= 0 && ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
if( astart_time >= st->start_time ) continue;
astart_time = st->start_time;
+ break; }
default: break;
}
}
int64_t nudge = vstart_time > astart_time ? vstart_time : astart_time;
- for( int k=0; k<ffvideo.size(); ++k ) {
- if( ffvideo[k]->nudge != AV_NOPTS_VALUE ) continue;
- ffvideo[k]->nudge = nudge;
+ for( int vidx=0; vidx<ffvideo.size(); ++vidx ) {
+ if( ffvideo[vidx]->nudge != AV_NOPTS_VALUE ) continue;
+ ffvideo[vidx]->nudge = nudge;
}
- for( int k=0; k<ffaudio.size(); ++k ) {
- if( ffaudio[k]->nudge != AV_NOPTS_VALUE ) continue;
- ffaudio[k]->nudge = nudge;
+ for( int aidx=0; aidx<ffaudio.size(); ++aidx ) {
+ if( ffaudio[aidx]->nudge != AV_NOPTS_VALUE ) continue;
+ ffaudio[aidx]->nudge = nudge;
}
decoding = 1;
}
int FFMPEG::encode_activate()
{
+ int ret = 0;
if( encoding < 0 ) {
encoding = 0;
if( !(fmt_ctx->flags & AVFMT_NOFILE) &&
- avio_open(&fmt_ctx->pb, fmt_ctx->filename, AVIO_FLAG_WRITE) < 0 ) {
- fprintf(stderr, "FFMPEG::encode_activate: err opening : %s\n",
+ (ret=avio_open(&fmt_ctx->pb, fmt_ctx->filename, AVIO_FLAG_WRITE)) < 0 ) {
+ ff_err(ret, "FFMPEG::encode_activate: err opening : %s\n",
fmt_ctx->filename);
return 1;
}
char option_path[BCTEXTLEN];
set_option_path(option_path, "format/%s", file_format);
read_options(option_path, fopts);
- int ret = avformat_write_header(fmt_ctx, &fopts);
+ ret = avformat_write_header(fmt_ctx, &fopts);
av_dict_free(&fopts);
if( ret < 0 ) {
- fprintf(stderr, "FFMPEG::encode_activate: write header failed %s\n",
+ ff_err(ret, "FFMPEG::encode_activate: write header failed %s\n",
fmt_ctx->filename);
return 1;
}
return encoding;
}
+
int FFMPEG::audio_seek(int stream, int64_t pos)
{
int aidx = astrm_index[stream].st_idx;
FFAudioStream *aud = ffaudio[aidx];
aud->audio_seek(pos);
- aud->seek_pos = aud->curr_pos = pos;
return 0;
}
int vidx = vstrm_index[stream].st_idx;
FFVideoStream *vid = ffvideo[vidx];
vid->video_seek(pos);
- vid->seek_pos = vid->curr_pos = pos;
return 0;
}
FFAudioStream *aud = ffaudio[aidx];
if( aud->load(pos, len) < len ) return -1;
int ch = astrm_index[chn].st_ch;
- return aud->history.read(samples,len,ch);
+ int ret = aud->read(samples,len,ch);
+ return ret;
}
int FFMPEG::decode(int layer, int64_t pos, VFrame *vframe)
return vid->load(vframe, pos);
}
+
int FFMPEG::encode(int stream, double **samples, int len)
{
FFAudioStream *aud = ffaudio[stream];
int FFMPEG::mux_audio(FFrame *frm)
{
FFPacket pkt;
- AVStream *st = frm->fst->st;
- AVCodecContext *ctx = st->codec;
+ FFStream *fst = frm->fst;
+ AVCodecContext *ctx = fst->st->codec;
AVFrame *frame = *frm;
AVRational tick_rate = {1, ctx->sample_rate};
frame->pts = av_rescale_q(frm->position, tick_rate, ctx->time_base);
int got_packet = 0;
- int ret = avcodec_encode_audio2(ctx, pkt, frame, &got_packet);
- if( ret >= 0 && got_packet ) {
- frm->fst->bs_filter(pkt);
- av_packet_rescale_ts(pkt, ctx->time_base, st->time_base);
- pkt->stream_index = st->index;
- ret = av_interleaved_write_frame(fmt_ctx, pkt);
- }
+ int ret = fst->encode_frame(pkt, frame, got_packet);
+ if( ret >= 0 && got_packet )
+ ret = fst->write_packet(pkt);
if( ret < 0 )
ff_err(ret, "FFMPEG::mux_audio");
return ret >= 0 ? 0 : 1;
int FFMPEG::mux_video(FFrame *frm)
{
FFPacket pkt;
- AVStream *st = frm->fst->st;
+ FFStream *fst = frm->fst;
AVFrame *frame = *frm;
frame->pts = frm->position;
int ret = 1, got_packet = 0;
if( fmt_ctx->oformat->flags & AVFMT_RAWPICTURE ) {
/* a hack to avoid data copy with some raw video muxers */
pkt->flags |= AV_PKT_FLAG_KEY;
- pkt->stream_index = st->index;
+ pkt->stream_index = fst->st->index;
AVPicture *picture = (AVPicture *)frame;
pkt->data = (uint8_t *)picture;
pkt->size = sizeof(AVPicture);
got_packet = 1;
}
else
- ret = avcodec_encode_video2(st->codec, pkt, frame, &got_packet);
- if( ret >= 0 && got_packet ) {
- frm->fst->bs_filter(pkt);
- av_packet_rescale_ts(pkt, st->codec->time_base, st->time_base);
- pkt->stream_index = st->index;
- ret = av_interleaved_write_frame(fmt_ctx, pkt);
- }
+ ret = fst->encode_frame(pkt, frame, got_packet);
+ if( ret >= 0 && got_packet )
+ ret = fst->write_packet(pkt);
if( ret < 0 )
ff_err(ret, "FFMPEG::mux_video");
return ret >= 0 ? 0 : 1;
if( !done ) mux();
}
mux();
+ for( int i=0; i<ffaudio.size(); ++i )
+ ffaudio[i]->flush();
+ for( int i=0; i<ffvideo.size(); ++i )
+ ffvideo[i]->flush();
}
{
channel_mask = 0;
int pidx = -1;
- int vidx = ffvideo[vstream]->idx;
+ int vidx = ffvideo[vstream]->fidx;
// find first program with this video stream
for( int i=0; pidx<0 && i<(int)fmt_ctx->nb_programs; ++i ) {
AVProgram *pgrm = fmt_ctx->programs[i];
if( astream > 0 ) { --astream; continue; }
int astrm = -1;
for( int i=0; astrm<0 && i<ffaudio.size(); ++i )
- if( ffaudio[i]->idx == aidx ) astrm = i;
+ if( ffaudio[i]->fidx == aidx ) astrm = i;
if( astrm >= 0 ) {
if( ret < 0 ) ret = astrm;
int64_t mask = (1 << ffaudio[astrm]->channels) - 1;
AVCodecContext *src_ctx, AVCodecContext *sink_ctx)
{
avfilter_register_all();
+ AVFilter *filter = avfilter_get_by_name(filter_spec);
+ if( !filter || filter->inputs->type != AVMEDIA_TYPE_VIDEO ) {
+ ff_err(AVERROR(EINVAL), "FFVideoStream::create_filter: %s\n", filter_spec);
+ return -1;
+ }
filter_graph = avfilter_graph_alloc();
AVFilter *buffersrc = avfilter_get_by_name("buffer");
AVFilter *buffersink = avfilter_get_by_name("buffersink");
snprintf(args, sizeof(args),
"video_size=%dx%d:pix_fmt=%d:time_base=%d/%d:pixel_aspect=%d/%d",
src_ctx->width, src_ctx->height, src_ctx->pix_fmt,
- st->time_base.num, st->time_base.den,
+ src_ctx->time_base.num, src_ctx->time_base.den,
src_ctx->sample_aspect_ratio.num, src_ctx->sample_aspect_ratio.den);
if( ret >= 0 )
ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
AVCodecContext *src_ctx, AVCodecContext *sink_ctx)
{
avfilter_register_all();
+ AVFilter *filter = avfilter_get_by_name(filter_spec);
+ if( !filter || filter->inputs->type != AVMEDIA_TYPE_AUDIO ) {
+ ff_err(AVERROR(EINVAL), "FFAudioStream::create_filter: %s\n", filter_spec);
+ return -1;
+ }
filter_graph = avfilter_graph_alloc();
AVFilter *buffersrc = avfilter_get_by_name("abuffer");
AVFilter *buffersink = avfilter_get_by_name("abuffersink");
int ret = 0; char args[BCTEXTLEN];
snprintf(args, sizeof(args),
"time_base=%d/%d:sample_rate=%d:sample_fmt=%s:channel_layout=0x%jx",
- st->time_base.num, st->time_base.den, src_ctx->sample_rate,
+ src_ctx->time_base.num, src_ctx->time_base.den, src_ctx->sample_rate,
av_get_sample_fmt_name(src_ctx->sample_fmt), src_ctx->channel_layout);
if( ret >= 0 )
ret = avfilter_graph_create_filter(&buffersrc_ctx, buffersrc, "in",
return ret;
}
+int FFMPEG::scan(IndexState *index_state, int64_t *scan_position, int *canceled)
+{
+ AVPacket pkt;
+ av_init_packet(&pkt);
+ AVFrame *frame = av_frame_alloc();
+ if( !frame ) {
+ fprintf(stderr, "FFMPEG::scan: av_frame_alloc failed\n");
+ return -1;
+ }
+
+ index_state->add_video_markers(ffvideo.size());
+ index_state->add_audio_markers(ffaudio.size());
+
+ for( int i=0; i<(int)fmt_ctx->nb_streams; ++i ) {
+ AVDictionary *copts = 0;
+ av_dict_copy(&copts, opts, 0);
+ AVStream *st = fmt_ctx->streams[i];
+ AVCodecID codec_id = st->codec->codec_id;
+ AVCodec *decoder = avcodec_find_decoder(codec_id);
+ if( avcodec_open2(st->codec, decoder, &copts) < 0 )
+ fprintf(stderr, "FFMPEG::scan: codec open failed\n");
+ av_dict_free(&copts);
+ }
+ int errs = 0;
+ for( int64_t count=0; !*canceled; ++count ) {
+ av_packet_unref(&pkt);
+ pkt.data = 0; pkt.size = 0;
+
+ int ret = av_read_frame(fmt_ctx, &pkt);
+ if( ret < 0 ) {
+ if( ret == AVERROR_EOF ) break;
+ if( ++errs > 100 ) {
+ ff_err(ret, "over 100 read_frame errs\n");
+ break;
+ }
+ continue;
+ }
+ if( !pkt.data ) continue;
+ int i = pkt.stream_index;
+ if( i < 0 || i >= (int)fmt_ctx->nb_streams ) continue;
+ AVStream *st = fmt_ctx->streams[i];
+ AVCodecContext *avctx = st->codec;
+ if( pkt.pos > *scan_position ) *scan_position = pkt.pos;
+
+ switch( avctx->codec_type ) {
+ case AVMEDIA_TYPE_VIDEO: {
+ int vidx = ffvideo.size();
+ while( --vidx>=0 && ffvideo[vidx]->fidx != i );
+ if( vidx < 0 ) break;
+ FFVideoStream *vid = ffvideo[vidx];
+ int64_t tstmp = pkt.dts;
+ if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.pts;
+ if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
+ if( vid->nudge != AV_NOPTS_VALUE ) tstmp -= vid->nudge;
+ double secs = to_secs(tstmp, st->time_base);
+ int64_t frm = secs * vid->frame_rate + 0.5;
+ if( frm < 0 ) frm = 0;
+ index_state->put_video_mark(vidx, frm, pkt.pos);
+ }
+#if 0
+ while( pkt.size > 0 ) {
+ av_frame_unref(frame);
+ int got_frame = 0;
+ int ret = vid->decode_frame(&pkt, frame, got_frame);
+ if( ret <= 0 ) break;
+// if( got_frame ) {}
+ pkt.data += ret;
+ pkt.size -= ret;
+ }
+#endif
+ break; }
+ case AVMEDIA_TYPE_AUDIO: {
+ int aidx = ffaudio.size();
+ while( --aidx>=0 && ffaudio[aidx]->fidx != i );
+ if( aidx < 0 ) break;
+ FFAudioStream *aud = ffaudio[aidx];
+ int64_t tstmp = pkt.pts;
+ if( tstmp == AV_NOPTS_VALUE ) tstmp = pkt.dts;
+ if( tstmp != AV_NOPTS_VALUE && (pkt.flags & AV_PKT_FLAG_KEY) && pkt.pos > 0 ) {
+ if( aud->nudge != AV_NOPTS_VALUE ) tstmp -= aud->nudge;
+ double secs = to_secs(tstmp, st->time_base);
+ int64_t sample = secs * aud->sample_rate + 0.5;
+ if( sample < 0 ) sample = 0;
+ index_state->put_audio_mark(aidx, sample, pkt.pos);
+ }
+ while( pkt.size > 0 ) {
+ int ch = aud->channel0, nch = aud->channels;
+ int64_t pos = index_state->pos(ch);
+ if( pos != aud->curr_pos ) {
+if( abs(pos-aud->curr_pos) > 1 )
+printf("audio%d pad %ld %ld (%ld)\n", aud->idx, pos, aud->curr_pos, pos-aud->curr_pos);
+ index_state->pad_data(ch, nch, aud->curr_pos);
+ }
+ av_frame_unref(frame);
+ int got_frame = 0;
+ int ret = aud->decode_frame(&pkt, frame, got_frame);
+ if( ret <= 0 ) break;
+ if( got_frame ) {
+ float *samples;
+ int len = aud->get_samples(samples,
+ &frame->extended_data[0], frame->nb_samples);
+ for( int i=0; i<nch; ++i )
+ index_state->put_data(ch+i,nch,samples+i,len);
+ aud->curr_pos += len;
+ }
+ pkt.data += ret;
+ pkt.size -= ret;
+ }
+ break; }
+ default: break;
+ }
+ }
+ av_frame_free(&frame);
+ return 0;
+}
+
+void FFStream::load_markers(IndexMarks &marks, double rate)
+{
+ index_markers = &marks;
+ int in = 0;
+ int64_t sz = marks.size();
+ int max_entries = fmt_ctx->max_index_size / sizeof(AVIndexEntry) - 1;
+ int nb_ent = st->nb_index_entries;
+// some formats already have an index
+ if( nb_ent > 0 ) {
+ AVIndexEntry *ep = &st->index_entries[nb_ent-1];
+ int64_t tstmp = ep->timestamp;
+ if( nudge != AV_NOPTS_VALUE ) tstmp -= nudge;
+ double secs = ffmpeg->to_secs(tstmp, st->time_base);
+ int64_t no = secs * rate;
+ while( in < sz && marks[in].no <= no ) ++in;
+ }
+ int64_t len = sz - in;
+ int64_t count = max_entries - nb_ent;
+ if( count > len ) count = len;
+ for( int i=0; i<count; ++i ) {
+ int k = in + i * len / count;
+ int64_t no = marks[k].no, pos = marks[k].pos;
+ double secs = (double)no / rate;
+ int64_t tstmp = secs * st->time_base.den / st->time_base.num;
+ if( nudge != AV_NOPTS_VALUE ) tstmp += nudge;
+ av_add_index_entry(st, pos, tstmp, 0, 0, AVINDEX_KEYFRAME);
+ }
+}
+
projects / goodguy / history.git / blobdiff