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h264parse: Remove the explicit PAR calculation based on VUI headers
The PAR calculation based on VUI headers is already doing by the h264 codecparser and we does't need to duplicate those code. https://bugzilla.gnome.org//show_bug.cgi?id=711009
This commit is contained in:
Sreerenj Balachandran
Sebastian Dröge
parent
fa12af3d01
commit
ab3f7d6096
2 changed files with 21 additions and 110 deletions
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@ -184,11 +184,10 @@ gst_h264_parse_reset (GstH264Parse * h264parse)
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h264parse->height = 0;
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h264parse->fps_num = 0;
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h264parse->fps_den = 0;
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h264parse->aspect_ratio_idc = 0;
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h264parse->sar_width = 0;
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h264parse->sar_height = 0;
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h264parse->upstream_par_n = -1;
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h264parse->upstream_par_d = -1;
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h264parse->parsed_par_n = 0;
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h264parse->parsed_par_d = 0;
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gst_buffer_replace (&h264parse->codec_data, NULL);
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gst_buffer_replace (&h264parse->codec_data_in, NULL);
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h264parse->nal_length_size = 4;
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@ -1066,91 +1065,13 @@ gst_h264_parse_make_codec_data (GstH264Parse * h264parse)
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static void
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gst_h264_parse_get_par (GstH264Parse * h264parse, gint * num, gint * den)
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{
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gint par_n, par_d;
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if (h264parse->upstream_par_n != -1 && h264parse->upstream_par_d != -1) {
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*num = h264parse->upstream_par_n;
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*den = h264parse->upstream_par_d;
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return;
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} else {
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*num = h264parse->parsed_par_n;
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*den = h264parse->parsed_par_d;
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}
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switch (h264parse->aspect_ratio_idc) {
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case 1:
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par_n = 1;
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par_d = 1;
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break;
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case 2:
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par_n = 12;
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par_d = 11;
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break;
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case 3:
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par_n = 10;
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par_d = 11;
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break;
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case 4:
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par_n = 16;
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par_d = 11;
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break;
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case 5:
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par_n = 40;
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par_d = 33;
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break;
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case 6:
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par_n = 24;
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par_d = 11;
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break;
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case 7:
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par_n = 20;
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par_d = 11;
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break;
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case 8:
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par_n = 32;
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par_d = 11;
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break;
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case 9:
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par_n = 80;
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par_d = 33;
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break;
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case 10:
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par_n = 18;
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par_d = 11;
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break;
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case 11:
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par_n = 15;
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par_d = 11;
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break;
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case 12:
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par_n = 64;
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par_d = 33;
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break;
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case 13:
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par_n = 160;
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par_d = 99;
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break;
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case 14:
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par_n = 4;
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par_d = 3;
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break;
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case 15:
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par_n = 3;
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par_d = 2;
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break;
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case 16:
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par_n = 2;
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par_d = 1;
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break;
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case 255:
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par_n = h264parse->sar_width;
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par_d = h264parse->sar_height;
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break;
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default:
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/* 0 and other values are undefined */
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par_n = par_d = 0;
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break;
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}
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*num = par_n;
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*den = par_d;
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}
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static void
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@ -1242,23 +1163,12 @@ gst_h264_parse_update_src_caps (GstH264Parse * h264parse, GstCaps * caps)
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}
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if (sps->vui_parameters.aspect_ratio_info_present_flag) {
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if (G_UNLIKELY (h264parse->aspect_ratio_idc !=
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sps->vui_parameters.aspect_ratio_idc)) {
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h264parse->aspect_ratio_idc = sps->vui_parameters.aspect_ratio_idc;
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GST_INFO_OBJECT (h264parse, "aspect ratio idc changed %d",
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h264parse->aspect_ratio_idc);
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modified = TRUE;
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}
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/* 255 means sar_width and sar_height present */
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if (G_UNLIKELY (sps->vui_parameters.aspect_ratio_idc == 255 &&
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(h264parse->sar_width != sps->vui_parameters.sar_width ||
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h264parse->sar_height != sps->vui_parameters.sar_height))) {
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h264parse->sar_width = sps->vui_parameters.sar_width;
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h264parse->sar_height = sps->vui_parameters.sar_height;
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GST_INFO_OBJECT (h264parse, "aspect ratio SAR changed %d/%d",
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h264parse->sar_width, h264parse->sar_height);
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modified = TRUE;
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if (G_UNLIKELY ((h264parse->parsed_par_n != sps->vui_parameters.par_n)
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|| (h264parse->parsed_par_d != sps->vui_parameters.par_d))) {
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h264parse->parsed_par_n = sps->vui_parameters.par_n;
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h264parse->parsed_par_d = sps->vui_parameters.par_d;
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GST_INFO_OBJECT (h264parse, "pixel aspect ratio has been changed %d/%d",
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h264parse->parsed_par_n, h264parse->parsed_par_d);
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}
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}
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@ -1532,8 +1442,8 @@ gst_h264_parse_parse_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
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/* sends a codec NAL downstream, decorating and transforming as needed.
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* No ownership is taken of @nal */
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static GstFlowReturn
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gst_h264_parse_push_codec_buffer (GstH264Parse * h264parse, GstBuffer * nal,
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GstClockTime ts)
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gst_h264_parse_push_codec_buffer (GstH264Parse * h264parse,
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GstBuffer * nal, GstClockTime ts)
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{
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GstMapInfo map;
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@ -1549,8 +1459,9 @@ gst_h264_parse_push_codec_buffer (GstH264Parse * h264parse, GstBuffer * nal,
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}
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static GstEvent *
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check_pending_key_unit_event (GstEvent * pending_event, GstSegment * segment,
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GstClockTime timestamp, guint flags, GstClockTime pending_key_unit_ts)
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check_pending_key_unit_event (GstEvent * pending_event,
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GstSegment * segment, GstClockTime timestamp, guint flags,
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GstClockTime pending_key_unit_ts)
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{
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GstClockTime running_time, stream_time;
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gboolean all_headers;
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@ -2034,7 +1945,8 @@ gst_h264_parse_event (GstBaseParse * parse, GstEvent * event)
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gst_video_event_parse_downstream_force_key_unit (event,
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×tamp, &stream_time, &running_time, &all_headers, &count);
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GST_INFO_OBJECT (h264parse, "received downstream force key unit event, "
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GST_INFO_OBJECT (h264parse,
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"received downstream force key unit event, "
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"seqnum %d running_time %" GST_TIME_FORMAT
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" all_headers %d count %d", gst_event_get_seqnum (event),
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GST_TIME_ARGS (running_time), all_headers, count);
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@ -2137,8 +2049,8 @@ gst_h264_parse_set_property (GObject * object, guint prop_id,
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}
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static void
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gst_h264_parse_get_property (GObject * object, guint prop_id, GValue * value,
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GParamSpec * pspec)
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gst_h264_parse_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstH264Parse *parse;
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@ -56,9 +56,8 @@ struct _GstH264Parse
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/* stream */
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gint width, height;
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gint fps_num, fps_den;
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gint aspect_ratio_idc;
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gint sar_width, sar_height;
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gint upstream_par_n, upstream_par_d;
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gint parsed_par_n, parsed_par_d;
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/* current codec_data in output caps, if any */
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GstBuffer *codec_data;
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/* input codec_data, if any */
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