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libeplayer3/libspark: cPlayback: implement retrieval of metadata

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This commit is contained in:
martii
2014-01-19 12:25:35 +01:00
parent 4ab0e8f89e
commit 1c676196af
9 changed files with 111 additions and 2 deletions
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65
libeplayer3/container/container_ffmpeg.c
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@@ -1508,6 +1508,67 @@ static int container_ffmpeg_get_info(Context_t * context, char **infoString)
}
static int container_ffmpeg_get_metadata(Context_t * context, char ***p)
{
Track_t *videoTrack = NULL;
Track_t *audioTrack = NULL;
AVDictionaryEntry *tag = NULL;
size_t psize = 1;
char **pp;
if (!context) {
fprintf(stderr, "BUG %s:%d\n", __func__, __LINE__);
return cERR_CONTAINER_FFMPEG_ERR;
}
if (!p || *p) {
fprintf(stderr, "BUG %s:%d\n", __func__, __LINE__);
return cERR_CONTAINER_FFMPEG_ERR;
}
context->manager->video->Command(context, MANAGER_GET_TRACK, &videoTrack);
context->manager->audio->Command(context, MANAGER_GET_TRACK, &audioTrack);
if (avContext->metadata)
psize += av_dict_count(avContext->metadata);
if (videoTrack)
psize += av_dict_count(((AVStream *)(videoTrack->stream))->metadata);
if (audioTrack)
psize += av_dict_count(((AVStream *)(audioTrack->stream))->metadata);
*p = malloc(sizeof(char *) * psize * 2);
if (!*p) {
fprintf(stderr, "MALLOC %s:%d\n", __func__, __LINE__);
return cERR_CONTAINER_FFMPEG_ERR;
}
pp = *p;
if (avContext->metadata)
while ((tag = av_dict_get(avContext->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) {
*pp++ = strdup(tag->key);
*pp++ = strdup(tag->value);
}
if (videoTrack) {
tag = NULL;
while ((tag = av_dict_get(((AVStream *)(videoTrack->stream))->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) {
*pp++ = strdup(tag->key);
*pp++ = strdup(tag->value);
}
}
if (audioTrack) {
tag = NULL;
while ((tag = av_dict_get(((AVStream *)(audioTrack->stream))->metadata, "", tag, AV_DICT_IGNORE_SUFFIX))) {
*pp++ = strdup(tag->key);
*pp++ = strdup(tag->value);
}
}
*pp++ = NULL;
*pp = NULL;
return cERR_CONTAINER_FFMPEG_NO_ERROR;
}
static int Command(void *_context, ContainerCmd_t command, void *argument)
{
Context_t *context = (Context_t *) _context;
@@ -1560,6 +1621,10 @@ static int Command(void *_context, ContainerCmd_t command, void *argument)
ret = container_ffmpeg_get_info(context, (char **) argument);
break;
}
case CONTAINER_METADATA:{
ret = container_ffmpeg_get_metadata(context, (char ***) argument);
break;
}
case CONTAINER_STATUS:{
*((int *) argument) = hasPlayThreadStarted;
break;