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Code Issues Releases Activity

Add init and uninit functions to cmdutils, reduces code duplication

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between ffmpeg and ffplay and avoids a valgrind error by freeing
avformat_opts->key.

Originally committed as revision 25309 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-10-02 08:44:33 +00:00
parent 05931ab763
commit a5c33faacc
4 changed files with 35 additions and 23 deletions
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19
cmdutils.c
View File

@ -57,6 +57,25 @@ struct SwsContext *sws_opts;
const int this_year = 2010;
void init_opts(void)
{
int i;
for (i = 0; i < AVMEDIA_TYPE_NB; i++)
avcodec_opts[i] = avcodec_alloc_context2(i);
avformat_opts = avformat_alloc_context();
sws_opts = sws_getContext(16, 16, 0, 16, 16, 0, SWS_BICUBIC, NULL, NULL, NULL);
}
void uninit_opts(void)
{
int i;
for (i = 0; i < AVMEDIA_TYPE_NB; i++)
av_freep(&avcodec_opts[i]);
av_freep(&avformat_opts->key);
av_freep(&avformat_opts);
av_freep(&sws_opts);
}
void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
{
vfprintf(stdout, fmt, vl);

11
cmdutils.h
View File

@ -44,6 +44,17 @@ extern AVCodecContext *avcodec_opts[AVMEDIA_TYPE_NB];
extern AVFormatContext *avformat_opts;
extern struct SwsContext *sws_opts;
/**
* Initialize the cmdutils option system, in particular
* allocate the *_opts contexts.
*/
void init_opts(void);
/**
* Uninitialize the cmdutils option system, in particular
* free the *_opts contexts and their contents.
*/
void uninit_opts(void);
/**
* Trivial log callback.
* Only suitable for show_help and similar since it lacks prefix handling.

12
ffmpeg.c
View File

@ -636,10 +636,7 @@ static int ffmpeg_exit(int ret)
av_free(video_standard);
for (i=0;i<AVMEDIA_TYPE_NB;i++)
av_free(avcodec_opts[i]);
av_free(avformat_opts);
av_free(sws_opts);
uninit_opts();
av_free(audio_buf);
av_free(audio_out);
allocated_audio_buf_size= allocated_audio_out_size= 0;
@ -4336,7 +4333,6 @@ static const OptionDef options[] = {
int main(int argc, char **argv)
{
int i;
int64_t ti;
av_log_set_flags(AV_LOG_SKIP_REPEATED);
@ -4355,11 +4351,7 @@ int main(int argc, char **argv)
url_set_interrupt_cb(decode_interrupt_cb);
#endif
for(i=0; i<AVMEDIA_TYPE_NB; i++){
avcodec_opts[i]= avcodec_alloc_context2(i);
}
avformat_opts = avformat_alloc_context();
sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
init_opts();
show_banner();

16
ffplay.c
View File

@ -1326,15 +1326,11 @@ static void stream_close(VideoState *is)
static void do_exit(void)
{
int i;
if (cur_stream) {
stream_close(cur_stream);
cur_stream = NULL;
}
for (i = 0; i < AVMEDIA_TYPE_NB; i++)
av_free(avcodec_opts[i]);
av_free(avformat_opts);
av_free(sws_opts);
uninit_opts();
#if CONFIG_AVFILTER
avfilter_uninit();
#endif
@ -3140,7 +3136,7 @@ static void opt_input_file(const char *filename)
/* Called from the main */
int main(int argc, char **argv)
{
int flags, i;
int flags;
av_log_set_flags(AV_LOG_SKIP_REPEATED);
@ -3154,13 +3150,7 @@ int main(int argc, char **argv)
#endif
av_register_all();
for(i=0; i<AVMEDIA_TYPE_NB; i++){
avcodec_opts[i]= avcodec_alloc_context2(i);
}
avformat_opts = avformat_alloc_context();
#if !CONFIG_AVFILTER
sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
#endif
init_opts();
show_banner();