From: Vivia Nikolaidou Date: Wed, 17 Feb 2021 11:46:03 +0000 (+0200) Subject: h265parse: Fix FPS/duration for interlaced files X-Git-Tag: 1.19.3~507^2~804 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=21347e13f5aed3959a5bec4098a0492372176117;p=platform%2Fupstream%2Fgstreamer.git h265parse: Fix FPS/duration for interlaced files There can be h265 files with frame-based, not field-based, interlacing. Part-of: --- diff --git a/gst/videoparsers/gsth265parse.c b/gst/videoparsers/gsth265parse.c index 29968df..0e6a9a9 100644 --- a/gst/videoparsers/gsth265parse.c +++ b/gst/videoparsers/gsth265parse.c @@ -1929,6 +1929,31 @@ ensure_caps_profile (GstH265Parse * h265parse, GstCaps * caps, GstH265SPS * sps, gst_caps_unref (peer_caps); } +static gboolean +gst_h265_parse_is_field_interlaced (GstH265Parse * h265parse) +{ + /* FIXME: The SEI is optional, so theoretically there could be files with + * the interlaced_source_flag set to TRUE but no SEI present, or SEI present + * but no pic_struct. Haven't seen any such files in practice, and we don't + * know how to interpret the data without the pic_struct, so we'll treat + * them as progressive */ + + switch (h265parse->sei_pic_struct) { + case GST_H265_SEI_PIC_STRUCT_TOP_FIELD: + case GST_H265_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM: + case GST_H265_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM: + case GST_H265_SEI_PIC_STRUCT_BOTTOM_FIELD: + case GST_H265_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP: + case GST_H265_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP: + return TRUE; + break; + default: + break; + } + + return FALSE; +} + static void gst_h265_parse_update_src_caps (GstH265Parse * h265parse, GstCaps * caps) { @@ -2005,7 +2030,7 @@ gst_h265_parse_update_src_caps (GstH265Parse * h265parse, GstCaps * caps) if (G_UNLIKELY (h265parse->width != crop_width || h265parse->height != crop_height)) { h265parse->width = crop_width; - h265parse->height = sps->profile_tier_level.interlaced_source_flag ? + h265parse->height = gst_h265_parse_is_field_interlaced (h265parse) ? crop_height * 2 : crop_height; GST_INFO_OBJECT (h265parse, "resolution changed %dx%d", h265parse->width, h265parse->height); @@ -2024,8 +2049,16 @@ gst_h265_parse_update_src_caps (GstH265Parse * h265parse, GstCaps * caps) fps_num = sps->vui_params.time_scale; fps_den = sps->vui_params.num_units_in_tick; - if (sps->profile_tier_level.interlaced_source_flag) - fps_num /= 2; + if (gst_h265_parse_is_field_interlaced (h265parse) + && h265parse->parsed_framerate) { + gint new_fps_num, new_fps_den; + + gst_util_fraction_multiply (fps_num, fps_den, 1, 2, &new_fps_num, + &new_fps_den); + fps_num = new_fps_num; + fps_den = new_fps_den; + h265parse->parsed_framerate = FALSE; + } } if (G_UNLIKELY (h265parse->fps_num != fps_num @@ -2340,11 +2373,10 @@ gst_h265_parse_parse_frame (GstBaseParse * parse, GstBaseParseFrame * frame) gst_h265_parse_update_src_caps (h265parse, NULL); if (h265parse->fps_num > 0 && h265parse->fps_den > 0) { - GstH265SPS *sps = h265parse->nalparser->last_sps; - GstClockTime val; + GstClockTime val = + gst_h265_parse_is_field_interlaced (h265parse) ? GST_SECOND / + 2 : GST_SECOND; - val = (sps != NULL && sps->profile_tier_level.interlaced_source_flag) ? - GST_SECOND / 2 : GST_SECOND; GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (val, h265parse->fps_den, h265parse->fps_num); } @@ -2753,36 +2785,28 @@ gst_h265_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame) parse_buffer = frame->buffer = gst_buffer_make_writable (frame->buffer); } - if (h265parse->sei_pic_struct != GST_H265_SEI_PIC_STRUCT_FRAME) { - if (h265parse->parsed_framerate) { - /* If the frame rate doesn't come from upstream (e.g. a muxer), it means - * we must double it, because it's now fields per second */ - gint new_fps_n, new_fps_d; - - gst_util_fraction_multiply (h265parse->fps_num, h265parse->fps_den, 2, 1, - &new_fps_n, &new_fps_d); - h265parse->fps_num = new_fps_n; - h265parse->fps_den = new_fps_d; - h265parse->parsed_framerate = FALSE; - /* We need to fix the duration of the first frame */ - GST_BUFFER_DURATION (parse_buffer) /= 2; - } - GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_INTERLACED); - /* h265 doesn't support interleaved */ - switch (h265parse->sei_pic_struct) { - case GST_H265_SEI_PIC_STRUCT_TOP_FIELD: - case GST_H265_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM: - case GST_H265_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM: - GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_TOP_FIELD); - break; - case GST_H265_SEI_PIC_STRUCT_BOTTOM_FIELD: - case GST_H265_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP: - case GST_H265_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP: - GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD); - break; - default: - break; - } + /* see section D.3.3 of the spec */ + switch (h265parse->sei_pic_struct) { + case GST_H265_SEI_PIC_STRUCT_TOP_BOTTOM: + case GST_H265_SEI_PIC_STRUCT_BOTTOM_TOP: + case GST_H265_SEI_PIC_STRUCT_TOP_BOTTOM_TOP: + case GST_H265_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM: + GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_INTERLACED); + break; + case GST_H265_SEI_PIC_STRUCT_TOP_FIELD: + case GST_H265_SEI_PIC_STRUCT_TOP_PAIRED_NEXT_BOTTOM: + case GST_H265_SEI_PIC_STRUCT_TOP_PAIRED_PREVIOUS_BOTTOM: + GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_INTERLACED); + GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_TOP_FIELD); + break; + case GST_H265_SEI_PIC_STRUCT_BOTTOM_FIELD: + case GST_H265_SEI_PIC_STRUCT_BOTTOM_PAIRED_PREVIOUS_TOP: + case GST_H265_SEI_PIC_STRUCT_BOTTOM_PAIRED_NEXT_TOP: + GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_INTERLACED); + GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_BOTTOM_FIELD); + break; + default: + break; } { @@ -2860,12 +2884,6 @@ gst_h265_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame) } } - if (h265parse->sei_pic_struct != GST_H265_SEI_PIC_STRUCT_FRAME) { - GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_INTERLACED); - if (h265parse->sei_pic_struct == GST_H265_SEI_PIC_STRUCT_TOP_FIELD) - GST_BUFFER_FLAG_SET (parse_buffer, GST_VIDEO_BUFFER_FLAG_TFF); - } - gst_video_push_user_data ((GstElement *) h265parse, &h265parse->user_data, parse_buffer);