virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

avconv: Separate initialization from the main transcode loop.

Browse Source
This commit is contained in:
Alex Converse 2011-08-19 14:45:02 -07:00
parent f5bae2c6ed
commit eaf2d37acc
1 changed files with 37 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
avconv.c
View File

@ -1860,27 +1860,18 @@ static int init_input_stream(int ist_index, OutputStream *output_streams, int nb
return 0;
}
/*
* The following code is the main loop of the file converter
*/
static int transcode(OutputFile *output_files,
int nb_output_files,
InputFile *input_files,
int nb_input_files)
static int transcode_init(OutputFile *output_files,
int nb_output_files,
InputFile *input_files,
int nb_input_files)
{
int ret = 0, i;
AVFormatContext *is, *os;
AVFormatContext *os;
AVCodecContext *codec, *icodec;
OutputStream *ost;
InputStream *ist;
char error[1024];
int want_sdp = 1;
uint8_t *no_packet;
int no_packet_count=0;
int64_t timer_start;
if (!(no_packet = av_mallocz(nb_input_files)))
exit_program(1);
if (rate_emu)
for (i = 0; i < nb_input_streams; i++)
@ -1892,8 +1883,7 @@ static int transcode(OutputFile *output_files,
if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
av_dump_format(os, i, os->filename, 1);
fprintf(stderr, "Output file #%d does not contain any stream\n", i);
ret = AVERROR(EINVAL);
goto fail;
return AVERROR(EINVAL);
}
}
@ -1914,8 +1904,7 @@ static int transcode(OutputFile *output_files,
uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
if (extra_size > INT_MAX) {
ret = AVERROR(EINVAL);
goto fail;
return AVERROR(EINVAL);
}
/* if stream_copy is selected, no need to decode or encode */
@ -1934,8 +1923,7 @@ static int transcode(OutputFile *output_files,
codec->rc_buffer_size = icodec->rc_buffer_size;
codec->extradata= av_mallocz(extra_size);
if (!codec->extradata) {
ret = AVERROR(ENOMEM);
goto fail;
return AVERROR(ENOMEM);
}
memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
codec->extradata_size= icodec->extradata_size;
@ -1992,8 +1980,7 @@ static int transcode(OutputFile *output_files,
case AVMEDIA_TYPE_AUDIO:
ost->fifo= av_fifo_alloc(1024);
if (!ost->fifo) {
ret = AVERROR(ENOMEM);
goto fail;
return AVERROR(ENOMEM);
}
ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
if (!codec->sample_rate) {
@ -2128,8 +2115,7 @@ static int transcode(OutputFile *output_files,
if (!bit_buffer) {
fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
bit_buffer_size);
ret = AVERROR(ENOMEM);
goto fail;
return AVERROR(ENOMEM);
}
/* open each encoder */
@ -2216,13 +2202,39 @@ static int transcode(OutputFile *output_files,
if (ret) {
fprintf(stderr, "%s\n", error);
goto fail;
return ret;
}
if (want_sdp) {
print_sdp(output_files, nb_output_files);
}
return 0;
}
/*
* The following code is the main loop of the file converter
*/
static int transcode(OutputFile *output_files,
int nb_output_files,
InputFile *input_files,
int nb_input_files)
{
int ret, i;
AVFormatContext *is, *os;
OutputStream *ost;
InputStream *ist;
uint8_t *no_packet;
int no_packet_count=0;
int64_t timer_start;
if (!(no_packet = av_mallocz(nb_input_files)))
exit_program(1);
ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
if (ret < 0)
goto fail;
if (verbose >= 0)
fprintf(stderr, "Press ctrl-c to stop encoding\n");
term_init();