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ext/ffmpeg/: Set the channel layout if it's exposed by the decoder.
Original commit message from CVS: * ext/ffmpeg/Makefile.am: * ext/ffmpeg/gstffmpegcodecmap.c: (gst_ff_channel_layout_to_gst), (gst_ff_aud_caps_new): * ext/ffmpeg/gstffmpegcodecmap.h: Set the channel layout if it's exposed by the decoder. Fixes bug #548002.
This commit is contained in:
Sebastian Dröge
parent
f1e4282538
commit
616c0eb07f
4 changed files with 123 additions and 5 deletions
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@ -1,3 +1,12 @@
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2008-12-13 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* ext/ffmpeg/Makefile.am:
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* ext/ffmpeg/gstffmpegcodecmap.c: (gst_ff_channel_layout_to_gst),
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(gst_ff_aud_caps_new):
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* ext/ffmpeg/gstffmpegcodecmap.h:
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Set the channel layout if it's exposed by the decoder.
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Fixes bug #548002.
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2008-12-13 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* ffmpegrev:
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@ -15,7 +15,7 @@ libgstffmpeg_la_SOURCES = gstffmpeg.c \
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libgstffmpeg_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) \
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$(FFMPEG_CFLAGS)
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libgstffmpeg_la_LIBADD = $(FFMPEG_LIBS) $(GST_BASE_LIBS) $(LIBM) $(WIN32_LIBS) -lz -lbz2
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libgstffmpeg_la_LIBADD = $(FFMPEG_LIBS) $(GST_BASE_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) $(LIBM) $(WIN32_LIBS) -lz -lbz2
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libgstffmpeg_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(DARWIN_LDFLAGS)
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libgstffmpeg_la_LIBTOOLFLAGS = --tag=disable-static
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@ -70,6 +70,98 @@ gst_ffmpeg_set_palette (GstCaps * caps, AVCodecContext * context)
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}
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}
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/* IMPORTANT: Keep this sorted by the ffmpeg channel masks */
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static const struct
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{
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guint64 ff;
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GstAudioChannelPosition gst;
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} _ff_to_gst_layout[] = {
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{
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CH_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT}, {
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CH_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}, {
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CH_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER}, {
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CH_LOW_FREQUENCY, GST_AUDIO_CHANNEL_POSITION_LFE}, {
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CH_BACK_LEFT, GST_AUDIO_CHANNEL_POSITION_REAR_LEFT}, {
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CH_BACK_RIGHT, GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT}, {
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CH_FRONT_LEFT_OF_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER}, {
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CH_FRONT_RIGHT_OF_CENTER, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER}, {
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CH_BACK_CENTER, GST_AUDIO_CHANNEL_POSITION_REAR_CENTER}, {
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CH_SIDE_LEFT, GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT}, {
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CH_SIDE_RIGHT, GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT}, {
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CH_TOP_CENTER, GST_AUDIO_CHANNEL_POSITION_NONE}, {
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CH_TOP_FRONT_LEFT, GST_AUDIO_CHANNEL_POSITION_NONE}, {
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CH_TOP_FRONT_CENTER, GST_AUDIO_CHANNEL_POSITION_NONE}, {
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CH_TOP_FRONT_RIGHT, GST_AUDIO_CHANNEL_POSITION_NONE}, {
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CH_TOP_BACK_LEFT, GST_AUDIO_CHANNEL_POSITION_NONE}, {
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CH_TOP_BACK_CENTER, GST_AUDIO_CHANNEL_POSITION_NONE}, {
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CH_TOP_BACK_RIGHT, GST_AUDIO_CHANNEL_POSITION_NONE}, {
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CH_STEREO_LEFT, GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT}, {
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CH_STEREO_RIGHT, GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT}
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};
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static GstAudioChannelPosition *
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gst_ff_channel_layout_to_gst (guint64 channel_layout, guint channels)
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{
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guint nchannels = 0, i, j;
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GstAudioChannelPosition *pos = NULL;
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gboolean none_layout = FALSE;
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for (i = 0; i < 64; i++) {
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if ((channel_layout & (G_GUINT64_CONSTANT (1) << i)) != 0) {
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nchannels++;
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}
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}
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if (channel_layout == 0) {
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nchannels = channels;
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none_layout = TRUE;
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}
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if (nchannels != channels) {
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GST_ERROR ("Number of channels is different (%u != %u)", channels,
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nchannels);
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return NULL;
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}
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pos = g_new (GstAudioChannelPosition, nchannels);
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for (i = 0, j = 0; i < G_N_ELEMENTS (_ff_to_gst_layout); i++) {
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if ((channel_layout & _ff_to_gst_layout[i].ff) != 0) {
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pos[j++] = _ff_to_gst_layout[i].gst;
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if (_ff_to_gst_layout[i].gst == GST_AUDIO_CHANNEL_POSITION_NONE)
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none_layout = TRUE;
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}
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}
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if (j != nchannels) {
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GST_WARNING ("Unknown channels in channel layout - assuming NONE layout");
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none_layout = TRUE;
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}
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if (!gst_audio_check_channel_positions (pos, nchannels)) {
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GST_ERROR ("Invalid channel layout - assuming NONE layout");
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none_layout = TRUE;
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}
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if (none_layout) {
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if (nchannels == 1) {
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pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_MONO;
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} else if (nchannels == 2) {
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pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
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pos[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
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} else {
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for (i = 0; i < nchannels; i++)
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pos[i] = GST_AUDIO_CHANNEL_POSITION_NONE;
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}
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}
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if (nchannels == 1 && pos[0] == GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER)
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pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_MONO;
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return pos;
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}
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/* this macro makes a caps width fixed or unfixed width/height
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* properties depending on whether we've got a context.
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*
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@ -197,9 +289,19 @@ gst_ff_aud_caps_new (AVCodecContext * context, enum CodecID codec_id,
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/* fixed, non-probing context */
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if (context != NULL && context->channels != -1) {
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GstAudioChannelPosition *pos;
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caps = gst_caps_new_simple (mimetype,
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"rate", G_TYPE_INT, context->sample_rate,
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"channels", G_TYPE_INT, context->channels, NULL);
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pos =
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gst_ff_channel_layout_to_gst (context->channel_layout,
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context->channels);
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if (pos != NULL) {
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gst_audio_set_channel_positions (gst_caps_get_structure (caps, 0), pos);
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g_free (pos);
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}
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} else {
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gint maxchannels = 2;
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const gint *rates = NULL;
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@ -243,6 +345,11 @@ gst_ff_aud_caps_new (AVCodecContext * context, enum CodecID codec_id,
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default:
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break;
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}
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/* TODO: handle context->channel_layouts here to set
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* the list of channel layouts supported by the encoder.
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* Unfortunately no encoder uses this yet....
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*/
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}
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/* regardless of encode/decode, open up channels if applicable */
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@ -1396,7 +1503,7 @@ gst_ffmpeg_pixfmt_to_caps (enum PixelFormat pix_fmt, AVCodecContext * context,
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}
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if (caps != NULL) {
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GST_DEBUG ("caps for pix_fmt=%d: %"GST_PTR_FORMAT, pix_fmt, caps);
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GST_DEBUG ("caps for pix_fmt=%d: %" GST_PTR_FORMAT, pix_fmt, caps);
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} else {
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GST_LOG ("No caps found for pix_fmt=%d", pix_fmt);
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}
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@ -1439,7 +1546,7 @@ gst_ffmpeg_smpfmt_to_caps (enum SampleFormat sample_fmt,
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}
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if (caps != NULL) {
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GST_LOG ("caps for sample_fmt=%d: %"GST_PTR_FORMAT, sample_fmt, caps);
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GST_LOG ("caps for sample_fmt=%d: %" GST_PTR_FORMAT, sample_fmt, caps);
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} else {
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GST_LOG ("No caps found for sample_fmt=%d", sample_fmt);
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}
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@ -2769,9 +2876,9 @@ gst_ffmpeg_caps_to_codecid (const GstCaps * caps, AVCodecContext * context)
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}
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if (id != CODEC_ID_NONE) {
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GST_DEBUG ("The id=%d belongs to the caps %"GST_PTR_FORMAT, id, caps);
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GST_DEBUG ("The id=%d belongs to the caps %" GST_PTR_FORMAT, id, caps);
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} else {
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GST_WARNING ("Couldn't figure out the id for caps %"GST_PTR_FORMAT, caps);
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GST_WARNING ("Couldn't figure out the id for caps %" GST_PTR_FORMAT, caps);
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}
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return id;
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@ -27,6 +27,8 @@
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#endif
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#include <gst/gst.h>
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#include <gst/audio/multichannel.h>
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/*
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* _codecid_to_caps () gets the GstCaps that belongs to
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* a certain CodecID for a pad with compressed data.
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