From: Doug Nazar Date: Sat, 3 Aug 2019 09:28:33 +0000 (-0400) Subject: mpegdemux: Parse mpeg audio layer version and add to caps. X-Git-Tag: 1.19.3~507^2~3033 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6c552030f797ce503f6d546812150d8aca3c4d20;p=platform%2Fupstream%2Fgstreamer.git mpegdemux: Parse mpeg audio layer version and add to caps. --- diff --git a/gst/mpegdemux/gstmpegdemux.c b/gst/mpegdemux/gstmpegdemux.c index 8f00918..b229da9 100644 --- a/gst/mpegdemux/gstmpegdemux.c +++ b/gst/mpegdemux/gstmpegdemux.c @@ -348,7 +348,8 @@ gst_ps_demux_reset (GstPsDemux * demux) } static GstPsStream * -gst_ps_demux_create_stream (GstPsDemux * demux, gint id, gint stream_type) +gst_ps_demux_create_stream (GstPsDemux * demux, gint id, gint stream_type, + gint layer) { GstPsStream *stream; GstPadTemplate *template; @@ -394,8 +395,13 @@ gst_ps_demux_create_stream (GstPsDemux * demux, gint id, gint stream_type) case ST_AUDIO_MPEG2: template = klass->audio_template; name = g_strdup_printf ("audio_%02x", id); - caps = gst_caps_new_simple ("audio/mpeg", - "mpegversion", G_TYPE_INT, 1, NULL); + if (layer) { + caps = gst_caps_new_simple ("audio/mpeg", + "mpegversion", G_TYPE_INT, 1, "layer", G_TYPE_INT, layer, NULL); + } else { + caps = gst_caps_new_simple ("audio/mpeg", + "mpegversion", G_TYPE_INT, 1, NULL); + } break; case ST_PRIVATE_SECTIONS: case ST_PRIVATE_DATA: @@ -525,12 +531,12 @@ gst_ps_demux_create_stream (GstPsDemux * demux, gint id, gint stream_type) } static GstPsStream * -gst_ps_demux_get_stream (GstPsDemux * demux, gint id, gint type) +gst_ps_demux_get_stream (GstPsDemux * demux, gint id, gint type, gint layer) { GstPsStream *stream = demux->streams[id]; if (stream == NULL) { - if (!(stream = gst_ps_demux_create_stream (demux, id, type))) + if (!(stream = gst_ps_demux_create_stream (demux, id, type, layer))) goto unknown_stream; GST_DEBUG_OBJECT (demux, "adding pad for stream id 0x%02x type 0x%02x", id, @@ -771,7 +777,7 @@ gst_ps_demux_handle_dvd_event (GstPsDemux * demux, GstEvent * event) GST_DEBUG_OBJECT (demux, "Handling language codes event"); /* Create a video pad to ensure have it before emit no more pads */ - (void) gst_ps_demux_get_stream (demux, 0xe0, ST_VIDEO_MPEG2); + (void) gst_ps_demux_get_stream (demux, 0xe0, ST_VIDEO_MPEG2, 0); /* Read out the languages for audio streams and request each one that * is present */ @@ -796,7 +802,7 @@ gst_ps_demux_handle_dvd_event (GstPsDemux * demux, GstEvent * event) GST_DEBUG_OBJECT (demux, "Audio stream %d format %d ID 0x%02x - AC3", i, stream_format, stream_id); - temp = gst_ps_demux_get_stream (demux, stream_id, ST_PS_AUDIO_AC3); + temp = gst_ps_demux_get_stream (demux, stream_id, ST_PS_AUDIO_AC3, 0); break; case 0x2: case 0x3: @@ -806,7 +812,7 @@ gst_ps_demux_handle_dvd_event (GstPsDemux * demux, GstEvent * event) GST_DEBUG_OBJECT (demux, "Audio stream %d format %d ID 0x%02x - MPEG audio", i, stream_format, stream_id); - temp = gst_ps_demux_get_stream (demux, stream_id, ST_AUDIO_MPEG1); + temp = gst_ps_demux_get_stream (demux, stream_id, ST_AUDIO_MPEG1, 0); break; case 0x4: /* LPCM */ @@ -814,7 +820,8 @@ gst_ps_demux_handle_dvd_event (GstPsDemux * demux, GstEvent * event) GST_DEBUG_OBJECT (demux, "Audio stream %d format %d ID 0x%02x - DVD LPCM", i, stream_format, stream_id); - temp = gst_ps_demux_get_stream (demux, stream_id, ST_PS_AUDIO_LPCM); + temp = + gst_ps_demux_get_stream (demux, stream_id, ST_PS_AUDIO_LPCM, 0); break; case 0x6: /* DTS */ @@ -822,7 +829,7 @@ gst_ps_demux_handle_dvd_event (GstPsDemux * demux, GstEvent * event) GST_DEBUG_OBJECT (demux, "Audio stream %d format %d ID 0x%02x - DTS", i, stream_format, stream_id); - temp = gst_ps_demux_get_stream (demux, stream_id, ST_PS_AUDIO_DTS); + temp = gst_ps_demux_get_stream (demux, stream_id, ST_PS_AUDIO_DTS, 0); break; case 0x7: /* FIXME: What range is SDDS? */ @@ -869,7 +876,7 @@ gst_ps_demux_handle_dvd_event (GstPsDemux * demux, GstEvent * event) /* Retrieve the subpicture stream to force pad creation */ temp = gst_ps_demux_get_stream (demux, 0x20 + stream_id, - ST_PS_DVD_SUBPICTURE); + ST_PS_DVD_SUBPICTURE, 0); if (temp == NULL) continue; @@ -2222,6 +2229,7 @@ gst_ps_demux_data_cb (GstPESFilter * filter, gboolean first, start_code = filter->start_code; id = filter->id; if (first) { + gint layer = 0; /* find the stream type */ stream_type = demux->psm[id]; if (stream_type == -1) { @@ -2265,7 +2273,27 @@ gst_ps_demux_data_cb (GstPESFilter * filter, gboolean first, } if (stream_type == -1) goto unknown_stream_type; + } else if (stream_type == ST_AUDIO_MPEG1 || stream_type == ST_AUDIO_MPEG2) { + if (datalen >= 2) { + guint hdr = GST_READ_UINT16_BE (map.data); + if ((hdr & 0xfff0) == 0xfff0) { + switch (hdr & 0x06) { + case 0x6: + layer = 1; + break; + case 0x4: + layer = 2; + break; + case 0x2: + layer = 3; + break; + default: + GST_WARNING_OBJECT (demux, "unknown mpeg audio layer"); + } + } + } } + if (filter->pts != -1) { demux->next_pts = filter->pts + demux->scr_adjust; GST_LOG_OBJECT (demux, "stream 0x%02x PTS = orig %" G_GUINT64_FORMAT @@ -2280,7 +2308,8 @@ gst_ps_demux_data_cb (GstPESFilter * filter, gboolean first, demux->next_dts = demux->next_pts; } - demux->current_stream = gst_ps_demux_get_stream (demux, id, stream_type); + demux->current_stream = + gst_ps_demux_get_stream (demux, id, stream_type, layer); } if (G_UNLIKELY (demux->current_stream == NULL)) {