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Simplify streams handling

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Keep pointers to the streams instead of the stream number.
This commit is contained in:
Julien BLACHE 2010-03-23 18:48:32 +01:00
parent 6677b3435d
commit c545e52374
1 changed files with 20 additions and 20 deletions
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40
src/filescanner_ffmpeg.c
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@ -225,8 +225,8 @@ scan_metadata_ffmpeg(char *file, struct media_file_info *mfi)
enum CodecID codec_id;
enum CodecID video_codec_id;
enum CodecID audio_codec_id;
int video_stream;
int audio_stream;
AVStream *video_stream;
AVStream *audio_stream;
int mdcount;
int i;
int ret;
@ -257,31 +257,31 @@ scan_metadata_ffmpeg(char *file, struct media_file_info *mfi)
/* Extract codec IDs, check for video */
video_codec_id = CODEC_ID_NONE;
video_stream = -1;
video_stream = NULL;
audio_codec_id = CODEC_ID_NONE;
audio_stream = -1;
audio_stream = NULL;
for (i = 0; i < ctx->nb_streams; i++)
{
switch (ctx->streams[i]->codec->codec_type)
{
case CODEC_TYPE_VIDEO:
if (video_stream == -1)
if (!video_stream)
{
DPRINTF(E_DBG, L_SCAN, "File has video (stream %d)\n", i);
mfi->has_video = 1;
video_codec_id = ctx->streams[i]->codec->codec_id;
video_stream = i;
video_stream = ctx->streams[i];
video_codec_id = video_stream->codec->codec_id;
}
break;
case CODEC_TYPE_AUDIO:
if (audio_stream == -1)
if (!audio_stream)
{
audio_codec_id = ctx->streams[i]->codec->codec_id;
audio_stream = i;
audio_stream = ctx->streams[i];
audio_codec_id = audio_stream->codec->codec_id;
}
break;
@ -310,13 +310,13 @@ scan_metadata_ffmpeg(char *file, struct media_file_info *mfi)
DPRINTF(E_DBG, L_SCAN, "Duration %d ms, bitrate %d kbps\n", mfi->song_length, mfi->bitrate);
/* Get some more information on the audio stream */
if (audio_stream != -1)
if (audio_stream)
{
if (ctx->streams[audio_stream]->codec->sample_rate != 0)
mfi->samplerate = ctx->streams[audio_stream]->codec->sample_rate;
if (audio_stream->codec->sample_rate != 0)
mfi->samplerate = audio_stream->codec->sample_rate;
/* Try sample format first */
mfi->bits_per_sample = av_get_bits_per_sample_format(ctx->streams[audio_stream]->codec->sample_fmt);
mfi->bits_per_sample = av_get_bits_per_sample_format(audio_stream->codec->sample_fmt);
if (mfi->bits_per_sample == 0)
{
/* Try codec */
@ -444,8 +444,8 @@ scan_metadata_ffmpeg(char *file, struct media_file_info *mfi)
mdcount = 0;
if ((!ctx->metadata) && (!ctx->streams[audio_stream]->metadata)
&& ((video_stream != -1) && (!ctx->streams[video_stream]->metadata)))
if ((!ctx->metadata) && (!audio_stream->metadata)
&& (video_stream && !video_stream->metadata))
{
DPRINTF(E_WARN, L_SCAN, "ffmpeg reports no metadata\n");
@ -463,18 +463,18 @@ scan_metadata_ffmpeg(char *file, struct media_file_info *mfi)
mdcount += ret;
}
if (ctx->streams[audio_stream]->metadata)
if (audio_stream->metadata)
{
ret = extract_metadata(mfi, ctx->streams[audio_stream]->metadata, extra_md_map);
ret = extract_metadata(mfi, audio_stream->metadata, extra_md_map);
DPRINTF(E_DBG, L_SCAN, "Picked up %d tags from audio stream metadata\n", ret);
mdcount += ret;
}
if ((video_stream != -1) && (ctx->streams[video_stream]->metadata))
if (video_stream && video_stream->metadata)
{
ret = extract_metadata(mfi, ctx->streams[video_stream]->metadata, extra_md_map);
ret = extract_metadata(mfi, video_stream->metadata, extra_md_map);
DPRINTF(E_DBG, L_SCAN, "Picked up %d tags from video stream metadata\n", ret);