mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
nvdec: Re-negotiate whenever output format is changed
Input stream might be silently changed without ::set_format() call. Since nvdec has internal parser, nvdec element can figure out the format change by itself.
This commit is contained in:
Seungha Yang
parent
a572bddd2f
commit
39f800c449
2 changed files with 171 additions and 144 deletions
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@ -190,20 +190,172 @@ gst_nvdec_init (GstNvDec * nvdec)
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gst_video_decoder_set_needs_format (GST_VIDEO_DECODER (nvdec), TRUE);
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}
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static cudaVideoSurfaceFormat
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get_cuda_surface_format_from_gst (GstVideoFormat format)
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{
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switch (format) {
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case GST_VIDEO_FORMAT_NV12:
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return cudaVideoSurfaceFormat_NV12;
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case GST_VIDEO_FORMAT_P010_10LE:
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case GST_VIDEO_FORMAT_P010_10BE:
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case GST_VIDEO_FORMAT_P016_LE:
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case GST_VIDEO_FORMAT_P016_BE:
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return cudaVideoSurfaceFormat_P016;
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case GST_VIDEO_FORMAT_Y444:
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return cudaVideoSurfaceFormat_YUV444;
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case GST_VIDEO_FORMAT_Y444_16LE:
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case GST_VIDEO_FORMAT_Y444_16BE:
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return cudaVideoSurfaceFormat_YUV444_16Bit;
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default:
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g_assert_not_reached ();
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break;
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}
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return cudaVideoSurfaceFormat_NV12;
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}
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static gboolean
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parser_sequence_callback (GstNvDec * nvdec, CUVIDEOFORMAT * format)
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{
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guint width, height, fps_n, fps_d;
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guint width, height;
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CUVIDDECODECREATEINFO create_info = { 0, };
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GstVideoFormat out_format = GST_VIDEO_FORMAT_NV12;
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GstVideoInfo *info = &nvdec->input_state->info;
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GstVideoFormat out_format;
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GstVideoInfo *in_info = &nvdec->input_state->info;
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GstVideoInfo *out_info = &nvdec->out_info;
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GstVideoInfo prev_out_info = *out_info;
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GstCudaContext *ctx = nvdec->cuda_ctx;
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GstStructure *in_s = NULL;
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gboolean updata = FALSE;
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width = format->display_area.right - format->display_area.left;
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height = format->display_area.bottom - format->display_area.top;
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switch (format->chroma_format) {
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case cudaVideoChromaFormat_444:
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if (format->bit_depth_luma_minus8 == 0) {
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out_format = GST_VIDEO_FORMAT_Y444;
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} else if (format->bit_depth_luma_minus8 == 2 ||
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format->bit_depth_luma_minus8 == 4) {
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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out_format = GST_VIDEO_FORMAT_Y444_16LE;
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#else
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out_format = GST_VIDEO_FORMAT_Y444_16BE;
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#endif
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} else {
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GST_ERROR_OBJECT (nvdec, "Unknown 4:4:4 format bitdepth %d",
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format->bit_depth_luma_minus8 + 8);
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nvdec->last_ret = GST_FLOW_NOT_NEGOTIATED;
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return FALSE;
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}
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break;
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case cudaVideoChromaFormat_420:
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if (format->bit_depth_luma_minus8 == 0) {
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out_format = GST_VIDEO_FORMAT_NV12;
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} else if (format->bit_depth_luma_minus8 == 2) {
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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out_format = GST_VIDEO_FORMAT_P010_10LE;
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#else
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out_format = GST_VIDEO_FORMAT_P010_10BE;
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#endif
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} else if (format->bit_depth_luma_minus8 == 4) {
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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out_format = GST_VIDEO_FORMAT_P016_LE;
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#else
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out_format = GST_VIDEO_FORMAT_P016_BE;
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#endif
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} else {
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GST_ERROR_OBJECT (nvdec, "Unknown 4:2:0 format bitdepth %d",
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format->bit_depth_luma_minus8 + 8);
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nvdec->last_ret = GST_FLOW_NOT_NEGOTIATED;
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return FALSE;
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}
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break;
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default:
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GST_ERROR_OBJECT (nvdec, "unhandled chroma format %d, bitdepth %d",
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format->chroma_format, format->bit_depth_luma_minus8 + 8);
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nvdec->last_ret = GST_FLOW_NOT_NEGOTIATED;
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return FALSE;
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}
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GST_DEBUG_OBJECT (nvdec,
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"out format: %s", gst_video_format_to_string (out_format));
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GST_DEBUG_OBJECT (nvdec, "width: %u, height: %u", width, height);
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if (!nvdec->decoder || (nvdec->width != width || nvdec->height != height)) {
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gst_video_info_set_format (out_info, out_format, width, height);
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GST_VIDEO_INFO_FPS_N (out_info) = GST_VIDEO_INFO_FPS_N (in_info);
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GST_VIDEO_INFO_FPS_D (out_info) = GST_VIDEO_INFO_FPS_D (in_info);
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if (GST_VIDEO_INFO_FPS_N (out_info) < 1 ||
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GST_VIDEO_INFO_FPS_D (out_info) < 1) {
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GST_VIDEO_INFO_FPS_N (out_info) = format->frame_rate.numerator;
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GST_VIDEO_INFO_FPS_D (out_info) = MAX (1, format->frame_rate.denominator);
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}
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GST_LOG_OBJECT (nvdec,
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"Reading colorimetry information full-range %d matrix %d transfer %d primaries %d",
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format->video_signal_description.video_full_range_flag,
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format->video_signal_description.matrix_coefficients,
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format->video_signal_description.transfer_characteristics,
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format->video_signal_description.color_primaries);
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if (nvdec->input_state->caps)
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in_s = gst_caps_get_structure (nvdec->input_state->caps, 0);
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/* Set colorimetry when upstream did not provide it */
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if (in_s && !gst_structure_has_field (in_s, "colorimetry")) {
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GstVideoColorimetry colorimetry = { 0, };
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if (format->video_signal_description.video_full_range_flag)
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colorimetry.range = GST_VIDEO_COLOR_RANGE_0_255;
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else
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colorimetry.range = GST_VIDEO_COLOR_RANGE_16_235;
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colorimetry.primaries =
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gst_video_color_primaries_from_iso
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(format->video_signal_description.color_primaries);
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colorimetry.transfer =
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gst_video_color_transfer_from_iso
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(format->video_signal_description.transfer_characteristics);
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colorimetry.matrix =
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gst_video_color_matrix_from_iso
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(format->video_signal_description.matrix_coefficients);
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/* Use a colorimetry having at least one valid colorimetry entry,
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* because we don't know whether the returned
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* colorimetry (by nvdec) was actually parsed information or not.
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* Otherwise let GstVideoInfo handle it with default colorimetry */
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if (colorimetry.primaries != GST_VIDEO_COLOR_PRIMARIES_UNKNOWN ||
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colorimetry.transfer != GST_VIDEO_TRANSFER_UNKNOWN ||
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colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_UNKNOWN) {
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GST_DEBUG_OBJECT (nvdec,
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"Found valid colorimetry, update output colorimetry");
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out_info->colorimetry = colorimetry;
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}
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} else {
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out_info->colorimetry = in_info->colorimetry;
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}
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if (format->progressive_sequence) {
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out_info->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
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/* nvdec doesn't seem to deal with interlacing with hevc so rely
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* on upstream's value */
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if (format->codec == cudaVideoCodec_HEVC) {
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out_info->interlace_mode = in_info->interlace_mode;
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}
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} else {
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out_info->interlace_mode = GST_VIDEO_INTERLACE_MODE_MIXED;
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}
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if (!nvdec->decoder || !gst_video_info_is_equal (out_info, &prev_out_info)) {
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updata = TRUE;
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if (!gst_cuda_context_push (ctx)) {
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GST_ERROR_OBJECT (nvdec, "failed to lock CUDA context");
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goto error;
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@ -229,66 +381,8 @@ parser_sequence_callback (GstNvDec * nvdec, CUVIDEOFORMAT * format)
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create_info.display_area.top = format->display_area.top;
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create_info.display_area.right = format->display_area.right;
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create_info.display_area.bottom = format->display_area.bottom;
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create_info.OutputFormat = get_cuda_surface_format_from_gst (out_format);
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create_info.bitDepthMinus8 = format->bit_depth_luma_minus8;
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create_info.OutputFormat = cudaVideoSurfaceFormat_NV12;
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switch (format->chroma_format) {
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case cudaVideoChromaFormat_444:
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if (format->bit_depth_luma_minus8 == 0) {
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out_format = GST_VIDEO_FORMAT_Y444;
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create_info.OutputFormat = cudaVideoSurfaceFormat_YUV444;
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} else if (format->bit_depth_luma_minus8 == 2 ||
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format->bit_depth_luma_minus8 == 4) {
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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out_format = GST_VIDEO_FORMAT_Y444_16LE;
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#else
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out_format = GST_VIDEO_FORMAT_Y444_16BE;
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#endif
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create_info.OutputFormat = cudaVideoSurfaceFormat_YUV444_16Bit;
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} else {
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GST_ERROR_OBJECT (nvdec, "Unknown 4:4:4 format bitdepth %d",
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format->bit_depth_luma_minus8 + 8);
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nvdec->last_ret = GST_FLOW_NOT_NEGOTIATED;
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return FALSE;
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}
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break;
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case cudaVideoChromaFormat_420:
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if (format->bit_depth_luma_minus8 == 0) {
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out_format = GST_VIDEO_FORMAT_NV12;
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create_info.OutputFormat = cudaVideoSurfaceFormat_NV12;
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} else if (format->bit_depth_luma_minus8 == 2) {
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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out_format = GST_VIDEO_FORMAT_P010_10LE;
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#else
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out_format = GST_VIDEO_FORMAT_P010_10BE;
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#endif
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create_info.OutputFormat = cudaVideoSurfaceFormat_P016;
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} else if (format->bit_depth_luma_minus8 == 4) {
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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out_format = GST_VIDEO_FORMAT_P016_LE;
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#else
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out_format = GST_VIDEO_FORMAT_P016_BE;
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#endif
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create_info.OutputFormat = cudaVideoSurfaceFormat_P016;
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} else {
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GST_ERROR_OBJECT (nvdec, "Unknown 4:2:0 format bitdepth %d",
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format->bit_depth_luma_minus8 + 8);
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nvdec->last_ret = GST_FLOW_NOT_NEGOTIATED;
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return FALSE;
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}
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break;
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default:
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GST_ERROR_OBJECT (nvdec, "unhandled chroma format %d, bitdepth %d",
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format->chroma_format, format->bit_depth_luma_minus8 + 8);
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nvdec->last_ret = GST_FLOW_NOT_NEGOTIATED;
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return FALSE;
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}
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GST_DEBUG_OBJECT (nvdec,
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"out format: %s", gst_video_format_to_string (out_format));
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create_info.DeinterlaceMode = cudaVideoDeinterlaceMode_Weave;
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create_info.ulTargetWidth = width;
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create_info.ulTargetHeight = height;
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@ -311,86 +405,19 @@ parser_sequence_callback (GstNvDec * nvdec, CUVIDEOFORMAT * format)
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}
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}
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fps_n = GST_VIDEO_INFO_FPS_N (info);
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fps_d = GST_VIDEO_INFO_FPS_D (info);
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if (fps_n < 1 || fps_d < 1) {
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fps_n = format->frame_rate.numerator;
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fps_d = MAX (1, format->frame_rate.denominator);
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}
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if (!gst_pad_has_current_caps (GST_VIDEO_DECODER_SRC_PAD (nvdec))
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|| width != nvdec->width || height != nvdec->height
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|| fps_n != nvdec->fps_n || fps_d != nvdec->fps_d) {
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if (!gst_pad_has_current_caps (GST_VIDEO_DECODER_SRC_PAD (nvdec)) || updata) {
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GstVideoCodecState *state;
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GstVideoInfo *vinfo;
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GstStructure *in_s = NULL;
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nvdec->width = width;
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nvdec->height = height;
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nvdec->fps_n = fps_n;
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nvdec->fps_d = fps_d;
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state = gst_video_decoder_set_output_state (GST_VIDEO_DECODER (nvdec),
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out_format, nvdec->width, nvdec->height, nvdec->input_state);
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GST_VIDEO_INFO_FORMAT (out_info), GST_VIDEO_INFO_WIDTH (out_info),
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GST_VIDEO_INFO_HEIGHT (out_info), nvdec->input_state);
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vinfo = &state->info;
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vinfo->fps_n = fps_n;
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vinfo->fps_d = fps_d;
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if (format->progressive_sequence) {
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vinfo->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
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/* nvdec doesn't seem to deal with interlacing with hevc so rely
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* on upstream's value */
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if (format->codec == cudaVideoCodec_HEVC) {
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vinfo->interlace_mode = nvdec->input_state->info.interlace_mode;
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}
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} else {
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vinfo->interlace_mode = GST_VIDEO_INTERLACE_MODE_MIXED;
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}
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GST_LOG_OBJECT (nvdec,
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"Reading colorimetry information full-range %d matrix %d transfer %d primaries %d",
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format->video_signal_description.video_full_range_flag,
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format->video_signal_description.matrix_coefficients,
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format->video_signal_description.transfer_characteristics,
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format->video_signal_description.color_primaries);
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if (nvdec->input_state->caps)
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in_s = gst_caps_get_structure (nvdec->input_state->caps, 0);
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/* Set colorimetry when upstream did not provide it */
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if (in_s && !gst_structure_has_field (in_s, "colorimetry")) {
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GstVideoColorimetry colorimetry = { 0, };
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if (format->video_signal_description.video_full_range_flag)
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colorimetry.range = GST_VIDEO_COLOR_RANGE_0_255;
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else
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colorimetry.range = GST_VIDEO_COLOR_RANGE_16_235;
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colorimetry.primaries =
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gst_video_color_primaries_from_iso
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(format->video_signal_description.color_primaries);
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colorimetry.transfer =
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gst_video_color_transfer_from_iso
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(format->video_signal_description.transfer_characteristics);
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colorimetry.matrix =
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gst_video_color_matrix_from_iso
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(format->video_signal_description.matrix_coefficients);
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/* Use a colorimetry having at least one valid colorimetry entry,
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* because we don't know whether the returned
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* colorimetry (by nvdec) was actually parsed information or not.
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* Otherwise let GstVideoInfo handle it with default colorimetry */
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if (colorimetry.primaries != GST_VIDEO_COLOR_PRIMARIES_UNKNOWN ||
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colorimetry.transfer != GST_VIDEO_TRANSFER_UNKNOWN ||
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colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_UNKNOWN) {
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GST_DEBUG_OBJECT (nvdec,
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"Found valid colorimetry, update output colorimetry");
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vinfo->colorimetry = colorimetry;
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}
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}
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/* update output info with CUvidparser provided one */
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vinfo->interlace_mode = out_info->interlace_mode;
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vinfo->fps_n = out_info->fps_n;
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vinfo->fps_d = out_info->fps_d;
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state->caps = gst_video_info_to_caps (&state->info);
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nvdec->mem_type = GST_NVDEC_MEM_TYPE_SYSTEM;
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@ -557,7 +584,9 @@ parser_display_callback (GstNvDec * nvdec, CUVIDPARSERDISPINFO * dispinfo)
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GST_BUFFER_DTS (output_buffer) = GST_CLOCK_TIME_NONE;
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/* assume buffer duration from framerate */
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GST_BUFFER_DURATION (output_buffer) =
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gst_util_uint64_scale (GST_SECOND, nvdec->fps_d, nvdec->fps_n);
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gst_util_uint64_scale (GST_SECOND,
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GST_VIDEO_INFO_FPS_D (&nvdec->out_info),
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GST_VIDEO_INFO_FPS_N (&nvdec->out_info));
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} else {
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ret = gst_video_decoder_allocate_output_frame (GST_VIDEO_DECODER (nvdec),
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frame);
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@ -670,6 +699,7 @@ gst_nvdec_start (GstVideoDecoder * decoder)
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nvdec->state = GST_NVDEC_STATE_INIT;
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nvdec->last_ret = GST_FLOW_OK;
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gst_video_info_init (&nvdec->out_info);
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return TRUE;
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}
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@ -902,7 +932,7 @@ copy_video_frame_to_gl_textures (GstGLContext * context,
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mcpy2d.WidthInBytes = GST_VIDEO_INFO_COMP_WIDTH (info, i)
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* GST_VIDEO_INFO_COMP_PSTRIDE (info, i);
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mcpy2d.srcDevice = dptr + (i * pitch * nvdec->height);
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mcpy2d.srcDevice = dptr + (i * pitch * GST_VIDEO_INFO_HEIGHT (info));
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mcpy2d.dstDevice = cuda_ptr;
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mcpy2d.Height = GST_VIDEO_INFO_COMP_HEIGHT (info, i);
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@ -986,7 +1016,7 @@ gst_nvdec_copy_device_to_system (GstNvDec * nvdec,
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* GST_VIDEO_INFO_COMP_PSTRIDE (info, 0);
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for (i = 0; i < GST_VIDEO_FRAME_N_PLANES (&video_frame); i++) {
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copy_params.srcDevice = dptr + (i * pitch * nvdec->height);
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copy_params.srcDevice = dptr + (i * pitch * GST_VIDEO_INFO_HEIGHT (info));
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copy_params.dstHost = GST_VIDEO_FRAME_PLANE_DATA (&video_frame, i);
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copy_params.dstPitch = GST_VIDEO_FRAME_PLANE_STRIDE (&video_frame, i);
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copy_params.Height = GST_VIDEO_FRAME_COMP_HEIGHT (&video_frame, i);
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@ -79,10 +79,7 @@ struct _GstNvDec
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GstCudaContext *cuda_ctx;
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CUstream cuda_stream;
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guint width;
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guint height;
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guint fps_n;
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guint fps_d;
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GstVideoInfo out_info;
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GstClockTime min_latency;
|
||||
GstVideoCodecState *input_state;
|
||||
GstVideoCodecState *output_state;
|
||||
|
|
|
|||
Loading…
Reference in a new issue