openharmony/third_party_ffmpeg
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_ffmpeg synced 2024-11-27 21:20:41 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

ffmpeg: get rid of the output_streams_for_file vs. ost_table schizophrenia

Browse Source 
Instead store output streams in the same way as input streams.
This commit is contained in:
Anton Khirnov 2011-08-30 15:03:53 +02:00 committed by Michael Niedermayer
parent b091de2285
commit 76e4873319
1 changed files with 40 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
ffmpeg.c
View File

@ -293,9 +293,6 @@ typedef struct OutputStream {
AVDictionary *opts;
} OutputStream;
static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
static int nb_output_streams_for_file[MAX_FILES] = { 0 };
typedef struct InputStream {
int file_index;
AVStream *st;
@ -332,6 +329,7 @@ static struct termios oldtty;
typedef struct OutputFile {
AVFormatContext *ctx;
AVDictionary *opts;
int ost_index; /* index of the first stream in output_streams */
} OutputFile;
static InputStream *input_streams = NULL;
@ -339,6 +337,8 @@ static int nb_input_streams = 0;
static InputFile *input_files = NULL;
static int nb_input_files = 0;
static OutputStream *output_streams = NULL;
static int nb_output_streams = 0;
static OutputFile *output_files = NULL;
static int nb_output_files = 0;
@ -525,7 +525,6 @@ static int exit_program(int ret)
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
avio_close(s->pb);
avformat_free_context(s);
av_free(output_streams_for_file[i]);
av_dict_free(&output_files[i].opts);
}
for(i=0;i<nb_input_files;i++) {
@ -546,6 +545,7 @@ static int exit_program(int ret)
av_freep(&input_streams);
av_freep(&input_files);
av_freep(&output_streams);
av_freep(&output_files);
uninit_opts();
@ -1314,7 +1314,7 @@ static void do_video_stats(AVFormatContext *os, OutputStream *ost,
}
static void print_report(OutputFile *output_files,
OutputStream **ost_table, int nb_ostreams,
OutputStream *ost_table, int nb_ostreams,
int is_last_report)
{
char buf[1024];
@ -1352,7 +1352,7 @@ static void print_report(OutputFile *output_files,
vid = 0;
for(i=0;i<nb_ostreams;i++) {
float q = -1;
ost = ost_table[i];
ost = &ost_table[i];
enc = ost->st->codec;
if (!ost->st->stream_copy && enc->coded_frame)
q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
@ -1454,7 +1454,7 @@ static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_
/* pkt = NULL means EOF (needed to flush decoder buffers) */
static int output_packet(InputStream *ist, int ist_index,
OutputStream **ost_table, int nb_ostreams,
OutputStream *ost_table, int nb_ostreams,
const AVPacket *pkt)
{
AVFormatContext *os;
@ -1605,7 +1605,7 @@ static int output_packet(InputStream *ist, int ist_index,
if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
if (start_time == 0 || ist->pts >= start_time) {
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
ost = &ost_table[i];
if (ost->input_video_filter && ost->source_index == ist_index) {
if (!picture.sample_aspect_ratio.num)
picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
@ -1644,7 +1644,7 @@ static int output_packet(InputStream *ist, int ist_index,
for(i=0;i<nb_ostreams;i++) {
int frame_size;
ost = ost_table[i];
ost = &ost_table[i];
/* finish if recording time exhausted */
if (recording_time != INT64_MAX &&
@ -1786,7 +1786,7 @@ static int output_packet(InputStream *ist, int ist_index,
/* EOF handling */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
ost = &ost_table[i];
if (ost->source_index == ist_index) {
AVCodecContext *enc= ost->st->codec;
os = output_files[ost->file_index].ctx;
@ -1895,11 +1895,10 @@ static int transcode(OutputFile *output_files,
InputFile *input_files,
int nb_input_files)
{
int ret = 0, i, j, k, n, nb_ostreams = 0;
int ret = 0, i, j;
AVFormatContext *is, *os;
AVCodecContext *codec, *icodec;
OutputStream *ost, **ost_table = NULL;
OutputStream *ost;
InputStream *ist;
char error[1024];
int key;
@ -1912,7 +1911,6 @@ static int transcode(OutputFile *output_files,
input_streams[i].start = av_gettime();
/* output stream init */
nb_ostreams = 0;
for(i=0;i<nb_output_files;i++) {
os = output_files[i].ctx;
if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
@ -1921,22 +1919,11 @@ static int transcode(OutputFile *output_files,
ret = AVERROR(EINVAL);
goto fail;
}
nb_ostreams += os->nb_streams;
}
ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
if (!ost_table)
goto fail;
n = 0;
for(k=0;k<nb_output_files;k++) {
os = output_files[k].ctx;
for (i = 0; i < os->nb_streams; i++, n++)
ost_table[n] = output_streams_for_file[k][i];
}
/* for each output stream, we compute the right encoding parameters */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i];
os = output_files[ost->file_index].ctx;
ist = &input_streams[ost->source_index];
@ -2159,8 +2146,8 @@ static int transcode(OutputFile *output_files,
}
/* open each encoder */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i];
if (ost->encoding_needed) {
AVCodec *codec = ost->enc;
AVCodecContext *dec = input_streams[ost->source_index].st->codec;
@ -2252,8 +2239,8 @@ static int transcode(OutputFile *output_files,
/* dump the stream mapping */
if (verbose >= 0) {
fprintf(stderr, "Stream mapping:\n");
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
for (i = 0; i < nb_output_streams;i ++) {
ost = &output_streams[i];
fprintf(stderr, " Stream #%d.%d -> #%d.%d",
input_streams[ost->source_index].file_index,
input_streams[ost->source_index].st->index,
@ -2326,9 +2313,9 @@ static int transcode(OutputFile *output_files,
double ts;
fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
if(scanf("%4095[^\n\r]%*c", ret) == 1 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
for(i=0;i<nb_ostreams;i++) {
for(i=0;i<nb_output_streams;i++) {
int r;
ost = ost_table[i];
ost = &output_streams[i];
if(ost->graph){
if(ts<0){
r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
@ -2354,8 +2341,8 @@ static int transcode(OutputFile *output_files,
for(i=0;i<nb_input_streams;i++) {
input_streams[i].st->codec->debug = debug;
}
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
for(i=0;i<nb_output_streams;i++) {
ost = &output_streams[i];
ost->st->codec->debug = debug;
}
if(debug) av_log_set_level(AV_LOG_DEBUG);
@ -2378,10 +2365,10 @@ static int transcode(OutputFile *output_files,
/* select the stream that we must read now by looking at the
smallest output pts */
file_index = -1;
for(i=0;i<nb_ostreams;i++) {
for (i = 0; i < nb_output_streams; i++) {
int64_t ipts;
double opts;
ost = ost_table[i];
ost = &output_streams[i];
os = output_files[ost->file_index].ctx;
ist = &input_streams[ost->source_index];
if(ist->is_past_recording_time || no_packet[ist->file_index])
@ -2482,7 +2469,7 @@ static int transcode(OutputFile *output_files,
}
//fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
if (verbose >= 0)
fprintf(stderr, "Error while decoding stream #%d.%d\n",
@ -2497,14 +2484,14 @@ static int transcode(OutputFile *output_files,
av_free_packet(&pkt);
/* dump report by using the output first video and audio streams */
print_report(output_files, ost_table, nb_ostreams, 0);
print_report(output_files, output_streams, nb_output_streams, 0);
}
/* at the end of stream, we must flush the decoder buffers */
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if (ist->decoding_needed) {
output_packet(ist, i, ost_table, nb_ostreams, NULL);
output_packet(ist, i, output_streams, nb_output_streams, NULL);
}
}
@ -2517,11 +2504,11 @@ static int transcode(OutputFile *output_files,
}
/* dump report by using the first video and audio streams */
print_report(output_files, ost_table, nb_ostreams, 1);
print_report(output_files, output_streams, nb_output_streams, 1);
/* close each encoder */
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i];
if (ost->encoding_needed) {
av_freep(&ost->st->codec->stats_in);
avcodec_close(ost->st->codec);
@ -2545,9 +2532,9 @@ static int transcode(OutputFile *output_files,
fail:
av_freep(&bit_buffer);
if (ost_table) {
for(i=0;i<nb_ostreams;i++) {
ost = ost_table[i];
if (output_streams) {
for (i = 0; i < nb_output_streams; i++) {
ost = &output_streams[i];
if (ost) {
if (ost->st->stream_copy)
av_freep(&ost->st->codec->extradata);
@ -2567,10 +2554,8 @@ static int transcode(OutputFile *output_files,
if (ost->reformat_ctx)
av_audio_convert_free(ost->reformat_ctx);
av_dict_free(&ost->opts);
av_free(ost);
}
}
av_free(ost_table);
}
return ret;
}
@ -3292,17 +3277,9 @@ static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType typ
exit_program(1);
}
output_streams_for_file[nb_output_files] =
grow_array(output_streams_for_file[nb_output_files],
sizeof(*output_streams_for_file[nb_output_files]),
&nb_output_streams_for_file[nb_output_files],
oc->nb_streams);
ost = output_streams_for_file[nb_output_files][idx] =
av_mallocz(sizeof(OutputStream));
if (!ost) {
fprintf(stderr, "Could not alloc output stream\n");
exit_program(1);
}
output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
nb_output_streams + 1);
ost = &output_streams[nb_output_streams - 1];
ost->file_index = nb_output_files;
ost->index = idx;
ost->st = st;
@ -3742,6 +3719,7 @@ static int opt_output_file(const char *opt, const char *filename)
exit_program(1); /* a temporary hack until all the other MAX_FILES-sized arrays are removed */
output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
output_files[nb_output_files - 1].ctx = oc;
output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
/* check filename in case of an image number is expected */
@ -3859,9 +3837,9 @@ static int opt_output_file(const char *opt, const char *filename)
av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
AV_DICT_DONT_OVERWRITE);
if (metadata_streams_autocopy)
for (i = 0; i < oc->nb_streams; i++) {
InputStream *ist = &input_streams[output_streams_for_file[nb_output_files-1][i]->source_index];
av_dict_copy(&oc->streams[i]->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
InputStream *ist = &input_streams[output_streams[i].source_index];
av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
}
frame_rate = (AVRational){0, 0};