#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"
return len;
}
-void FFAudioStream::realloc(long sz, int nch, long len)
+void FFAudioStream::realloc(long nsz, int nch, long len)
{
- long bsz = sz * nch;
+ long bsz = nsz * nch;
float *np = new float[bsz];
inp = np + read(np, len) * nch;
outp = np;
lmt = np + bsz;
this->nch = nch;
- this->sz = sz;
+ sz = nsz;
delete [] bfr; bfr = np;
}
-void FFAudioStream::realloc(long sz, int nch)
+void FFAudioStream::realloc(long nsz, int nch)
{
- if( sz > this->sz || this->nch != nch ) {
- long len = this->nch != nch ? 0 : curr_pos - seek_pos;
- if( len > this->sz ) len = this->sz;
+ if( nsz > sz || this->nch != nch ) {
+ long len = this->nch != nch ? 0 : hpos;
+ if( len > sz ) len = sz;
iseek(len);
- realloc(sz, nch, len);
+ realloc(nsz, nch, len);
}
}
-void FFAudioStream::reserve(long sz, int nch)
+void FFAudioStream::reserve(long nsz, int nch)
{
long len = (inp - outp) / nch;
- sz += len;
- if( sz > this->sz || this->nch != nch ) {
+ nsz += len;
+ if( nsz > sz || this->nch != nch ) {
if( this->nch != nch ) len = 0;
- realloc(sz, nch, len);
+ realloc(nsz, nch, len);
return;
}
if( (len*=nch) > 0 && bfr != outp )
long len = outp >= in1 ? outp-in1 : outp-bfr + lmt-in1;
return len / nch;
}
-void FFAudioStream::reset() // clear bfr
+void FFAudioStream::reset_history()
{
inp = outp = bfr;
+ hpos = 0;
}
void FFAudioStream::iseek(int64_t ofs)
if( ip >= lmt ) ip = bfr;
}
inp = ip;
+ hpos += len;
return len;
}
if( ip >= lmt ) ip = bfr;
}
inp = ip;
+ hpos += len;
return len;
}
}
-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;
{
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;
- ff_err(ret, "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 || !ipkt->data) && !got_frame ) {
- ret = decode_frame(frame, got_frame);
- if( ret < 0 || !ipkt->data ) break;
+ 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;
return ret >= 0 ? 0 : 1;
}
-FFAudioStream::FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx)
- : FFStream(ffmpeg, strm, idx)
+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;
sz = 0x10000;
long bsz = sz * nch;
bfr = new float[bsz];
- inp = outp = bfr;
lmt = bfr + bsz;
+ reset_history();
}
FFAudioStream::~FFAudioStream()
delete [] bfr;
}
-int FFAudioStream::load_history(uint8_t **data, int len)
+int FFAudioStream::get_samples(float *&samples, uint8_t **data, int len)
{
- float *samples = *(float **)data;
+ samples = *(float **)data;
if( resample_context ) {
if( len > aud_bfr_sz ) {
delete [] aud_bfr;
int ret = swr_convert(resample_context,
(uint8_t**)&aud_bfr, aud_bfr_sz, (const uint8_t**)data, len);
if( ret < 0 ) {
- ff_err(ret, "FFAudioStream::load_history: swr_convert failed\n");
+ ff_err(ret, "FFAudioStream::get_samples: swr_convert failed\n");
return -1;
}
samples = aud_bfr;
len = ret;
}
- // biggest user bfr since seek + frame
- realloc(mbsz + len + 1, channels);
- write(samples, 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 ) {
+ 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;
+ 10000 : ctx->frame_size;
}
int64_t FFAudioStream::load_buffer(double ** const sp, int len)
int FFAudioStream::in_history(int64_t pos)
{
if( pos > curr_pos ) return 0;
- int64_t len = curr_pos - seek_pos;
+ int64_t len = hpos;
if( len > sz ) len = sz;
if( pos < curr_pos - len ) return 0;
return 1;
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(&frame->extended_data[0], frame->nb_samples);
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) ) {
- iseek(curr_pos - pos);
- return 0;
- }
- if( pos == curr_pos ) return 0;
if( !st->codec || !st->codec->codec ) return -1;
- avcodec_flush_buffers(st->codec);
- 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;
- reset(); st_eof(0);
- mbsz = 0; flushed = 0; need_packet = 1;
+ if( in_history(pos) ) return 0;
+ if( pos == curr_pos ) return 0;
+ reset_history(); mbsz = 0;
+// guarentee preload > 1sec samples
+ if( seek(pos-sample_rate, sample_rate) < 0 ) return -1;
return 1;
}
return ret >= 0 ? 0 : 1;
}
-int FFAudioStream::encode_frame(FFPacket &pkt, AVFrame *frame, int &got_packet)
+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 ) {
return ret;
}
-FFVideoStream::FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx)
- : FFStream(ffmpeg, strm, idx)
+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 ) {
+ 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;
}
fprintf(stderr, "FFVideoStream::load: av_frame_alloc failed\n");
return -1;
}
- 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;
- if( pos == curr_pos-1 && curr_pos > seek_pos ) return 1;
- if( !st->codec || !st->codec->codec ) return -1;
- avcodec_flush_buffers(st->codec);
-// 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);
- flushed = 0; need_packet = 1;
+ 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(FFPacket &pkt, AVFrame *frame, int &got_packet)
+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 ) {
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;
}
int ret = sws_scale(convert_ctx, ip->data, ip->linesize, 0, ih,
opic.data, opic.linesize);
if( ret < 0 ) {
- ff_err(ret, "FFVideoStream::convert_picture_frame: sws_scale() failed\n");
- return 1;
+ 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;
}
int ret = sws_scale(convert_ctx, opic.data, opic.linesize, 0, frame->get_h(),
op->data, op->linesize);
if( ret < 0 ) {
- ff_err(ret, "FFVideoStream::convert_frame_picture: sws_scale() failed\n");
- return 1;
+ 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;
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);
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");
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;
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;
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;
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;
{
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;
}
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->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];
{
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;
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",
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