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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-28 19:20:35 +00:00
h264: fix activation order of picture and sequence parameters.
Delay ensure_context() until we actually need a VA context for allocating new VA surfaces, and then GstVaapiPictures, but also when a real activation of a new picture parameter set occurs, thus also implying an activation of the related sequence parameter set. The most important thing was to drop the global pps and sps pointers since they may not have matched the currently activated picture parameter or sequence parameter sets at the specified decode point. Anoter positive side-effect is that this cleans up all occurrences of decode_current_picture() to only keep those useful in decode_picture(), before a new picture is allocated, or in decode_sequence_end() when an end-of-stream or end-of-sequence condition occurred.
This commit is contained in:
Gwenole Beauchesne
parent
015879cafe
commit
e30a518267
1 changed files with 161 additions and 129 deletions
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@ -79,6 +79,7 @@ typedef struct _GstVaapiSliceH264Class GstVaapiSliceH264Class;
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struct _GstVaapiPictureH264 {
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GstVaapiPicture base;
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VAPictureH264 info;
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GstH264PPS *pps;
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gint32 poc;
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gint32 frame_num; // Original frame_num from slice_header()
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gint32 frame_num_wrap; // Temporary for ref pic marking: FrameNumWrap
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@ -266,15 +267,19 @@ G_DEFINE_TYPE(GstVaapiDecoderH264,
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struct _GstVaapiDecoderH264Private {
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GstAdapter *adapter;
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GstH264NalParser *parser;
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GstH264SPS *sps;
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/* Last decoded SPS. May not be the last activated one. Just here because
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it may not fit stack memory allocation in decode_sps() */
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GstH264SPS last_sps;
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GstH264PPS *pps;
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/* Last decoded PPS. May not be the last activated one. Just here because
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it may not fit stack memory allocation in decode_pps() */
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GstH264PPS last_pps;
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GstVaapiPictureH264 *current_picture;
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GstVaapiPictureH264 *dpb[16];
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guint dpb_count;
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guint dpb_size;
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GstVaapiProfile profile;
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GstVaapiEntrypoint entrypoint;
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GstVaapiChromaType chroma_type;
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GstVaapiPictureH264 *short_ref[32];
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guint short_ref_count;
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GstVaapiPictureH264 *long_ref[32];
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@ -286,10 +291,6 @@ struct _GstVaapiDecoderH264Private {
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guint nal_length_size;
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guint width;
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guint height;
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guint mb_x;
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guint mb_y;
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guint mb_width;
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guint mb_height;
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gint32 field_poc[2]; // 0:TopFieldOrderCnt / 1:BottomFieldOrderCnt
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gint32 poc_msb; // PicOrderCntMsb
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gint32 poc_lsb; // pic_order_cnt_lsb (from slice_header())
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@ -573,87 +574,140 @@ gst_vaapi_decoder_h264_create(GstVaapiDecoderH264 *decoder)
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return TRUE;
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}
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static guint
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h264_get_profile(GstH264SPS *sps)
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{
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guint profile = 0;
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switch (sps->profile_idc) {
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case 66:
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profile = GST_VAAPI_PROFILE_H264_BASELINE;
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break;
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case 77:
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profile = GST_VAAPI_PROFILE_H264_MAIN;
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break;
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case 100:
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profile = GST_VAAPI_PROFILE_H264_HIGH;
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break;
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}
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return profile;
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}
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static guint
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h264_get_chroma_type(GstH264SPS *sps)
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{
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guint chroma_type = 0;
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switch (sps->chroma_format_idc) {
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case 1:
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chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
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break;
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case 2:
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chroma_type = GST_VAAPI_CHROMA_TYPE_YUV422;
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break;
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case 3:
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if (!sps->separate_colour_plane_flag)
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chroma_type = GST_VAAPI_CHROMA_TYPE_YUV444;
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break;
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}
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return chroma_type;
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}
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static GstVaapiProfile
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get_profile(GstVaapiDecoderH264 *decoder, GstH264SPS *sps)
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{
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GstVaapiDecoderH264Private * const priv = decoder->priv;
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GstVaapiDisplay * const display = GST_VAAPI_DECODER_DISPLAY(decoder);
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GstVaapiProfile profile, profiles[2];
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guint i, n_profiles = 0;
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profile = h264_get_profile(sps);
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if (!profile)
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return GST_VAAPI_PROFILE_UNKNOWN;
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profiles[n_profiles++] = profile;
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switch (profile) {
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case GST_VAAPI_PROFILE_H264_MAIN:
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profiles[n_profiles++] = GST_VAAPI_PROFILE_H264_HIGH;
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break;
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default:
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break;
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}
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/* If the preferred profile (profiles[0]) matches one that we already
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found, then just return it now instead of searching for it again */
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if (profiles[0] == priv->profile)
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return priv->profile;
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for (i = 0; i < n_profiles; i++) {
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if (gst_vaapi_display_has_decoder(display, profiles[i], priv->entrypoint))
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return profiles[i];
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}
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return GST_VAAPI_PROFILE_UNKNOWN;
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}
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static GstVaapiDecoderStatus
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ensure_context(GstVaapiDecoderH264 *decoder, GstH264SPS *sps)
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{
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GstVaapiDecoder * const base_decoder = GST_VAAPI_DECODER_CAST(decoder);
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GstVaapiDecoderH264Private * const priv = decoder->priv;
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GstVaapiProfile profiles[2];
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GstVaapiEntrypoint entrypoint = GST_VAAPI_ENTRYPOINT_VLD;
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guint i, n_profiles = 0;
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gboolean success, reset_context = FALSE;
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GstVaapiContextInfo info;
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GstVaapiProfile profile;
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GstVaapiChromaType chroma_type;
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gboolean reset_context = FALSE;
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if (!priv->has_context || priv->sps->profile_idc != sps->profile_idc) {
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profile = get_profile(decoder, sps);
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if (!profile) {
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GST_ERROR("unsupported profile_idc %u", sps->profile_idc);
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return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
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}
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if (priv->profile != profile) {
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GST_DEBUG("profile changed");
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reset_context = TRUE;
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switch (sps->profile_idc) {
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case 66:
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profiles[n_profiles++] = GST_VAAPI_PROFILE_H264_BASELINE;
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break;
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case 77:
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profiles[n_profiles++] = GST_VAAPI_PROFILE_H264_MAIN;
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// fall-through
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case 100:
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profiles[n_profiles++] = GST_VAAPI_PROFILE_H264_HIGH;
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break;
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default:
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GST_DEBUG("unsupported profile %d", sps->profile_idc);
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return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
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}
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for (i = 0; i < n_profiles; i++) {
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success = gst_vaapi_display_has_decoder(
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GST_VAAPI_DECODER_DISPLAY(decoder),
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profiles[i],
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entrypoint
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);
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if (success)
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break;
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}
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if (i == n_profiles)
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return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_PROFILE;
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priv->profile = profiles[i];
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priv->profile = profile;
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}
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if (!priv->has_context ||
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priv->sps->chroma_format_idc != sps->chroma_format_idc) {
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chroma_type = h264_get_chroma_type(sps);
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if (!chroma_type || chroma_type != GST_VAAPI_CHROMA_TYPE_YUV420) {
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GST_ERROR("unsupported chroma_format_idc %u", sps->chroma_format_idc);
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return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT;
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}
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if (priv->chroma_type != chroma_type) {
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GST_DEBUG("chroma format changed");
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reset_context = TRUE;
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/* XXX: theoritically, we could handle 4:2:2 format */
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if (sps->chroma_format_idc != 1)
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return GST_VAAPI_DECODER_STATUS_ERROR_UNSUPPORTED_CHROMA_FORMAT;
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reset_context = TRUE;
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priv->chroma_type = chroma_type;
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}
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if (!priv->has_context ||
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priv->sps->width != sps->width ||
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priv->sps->height != sps->height) {
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if (priv->width != sps->width || priv->height != sps->height) {
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GST_DEBUG("size changed");
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reset_context = TRUE;
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priv->width = sps->width;
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priv->height = sps->height;
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priv->mb_width = sps->pic_width_in_mbs_minus1 + 1;
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priv->mb_height = sps->pic_height_in_map_units_minus1 + 1;
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priv->mb_height *= 2 - sps->frame_mbs_only_flag;
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reset_context = TRUE;
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priv->width = sps->width;
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priv->height = sps->height;
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}
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if (reset_context) {
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GstVaapiContextInfo info;
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gst_vaapi_decoder_set_pixel_aspect_ratio(
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base_decoder,
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sps->vui_parameters.par_n,
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sps->vui_parameters.par_d
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);
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info.profile = priv->profile;
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info.entrypoint = entrypoint;
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info.width = priv->width;
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info.height = priv->height;
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info.ref_frames = get_max_dec_frame_buffering(sps);
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if (!reset_context && priv->has_context)
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return GST_VAAPI_DECODER_STATUS_SUCCESS;
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if (!gst_vaapi_decoder_ensure_context(GST_VAAPI_DECODER(decoder), &info))
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return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
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priv->has_context = TRUE;
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info.profile = priv->profile;
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info.entrypoint = priv->entrypoint;
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info.width = priv->width;
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info.height = priv->height;
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info.ref_frames = get_max_dec_frame_buffering(sps);
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/* Reset DPB */
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dpb_reset(decoder, sps);
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}
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if (!gst_vaapi_decoder_ensure_context(GST_VAAPI_DECODER(decoder), &info))
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return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
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priv->has_context = TRUE;
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/* Reset DPB */
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dpb_reset(decoder, sps);
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return GST_VAAPI_DECODER_STATUS_SUCCESS;
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}
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@ -707,10 +761,9 @@ fill_iq_matrix_8x8(VAIQMatrixBufferH264 *iq_matrix, const GstH264PPS *pps)
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static GstVaapiDecoderStatus
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ensure_quant_matrix(GstVaapiDecoderH264 *decoder, GstVaapiPictureH264 *picture)
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{
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GstVaapiDecoderH264Private * const priv = decoder->priv;
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GstH264SPS * const sps = priv->sps;
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GstH264PPS * const pps = priv->pps;
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GstVaapiPicture * const base_picture = &picture->base;
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GstH264PPS * const pps = picture->pps;
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GstH264SPS * const sps = pps->sequence;
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VAIQMatrixBufferH264 *iq_matrix;
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base_picture->iq_matrix = GST_VAAPI_IQ_MATRIX_NEW(H264, decoder);
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@ -731,50 +784,47 @@ ensure_quant_matrix(GstVaapiDecoderH264 *decoder, GstVaapiPictureH264 *picture)
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return GST_VAAPI_DECODER_STATUS_SUCCESS;
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}
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static gboolean
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static GstVaapiDecoderStatus
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decode_current_picture(GstVaapiDecoderH264 *decoder)
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{
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GstVaapiDecoderH264Private * const priv = decoder->priv;
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GstVaapiPictureH264 * const picture = priv->current_picture;
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gboolean success = FALSE;
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GstVaapiDecoderStatus status;
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if (!picture)
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return TRUE;
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return GST_VAAPI_DECODER_STATUS_SUCCESS;
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status = ensure_context(decoder, picture->pps->sequence);
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if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
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return status;
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if (!decode_picture_end(decoder, picture))
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goto end;
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goto error;
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if (!gst_vaapi_picture_decode(GST_VAAPI_PICTURE_CAST(picture)))
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goto end;
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success = TRUE;
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end:
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goto error;
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gst_vaapi_picture_replace(&priv->current_picture, NULL);
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return success;
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return GST_VAAPI_DECODER_STATUS_SUCCESS;
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error:
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gst_vaapi_picture_replace(&priv->current_picture, NULL);
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return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
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}
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static GstVaapiDecoderStatus
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decode_sps(GstVaapiDecoderH264 *decoder, GstH264NalUnit *nalu)
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{
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GstVaapiDecoder * const base_decoder = GST_VAAPI_DECODER(decoder);
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GstVaapiDecoderH264Private * const priv = decoder->priv;
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GstH264SPS * const sps = &priv->last_sps;
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GstH264ParserResult result;
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GST_DEBUG("decode SPS");
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if (priv->current_picture && !decode_current_picture(decoder))
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return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
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memset(sps, 0, sizeof(*sps));
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result = gst_h264_parser_parse_sps(priv->parser, nalu, sps, TRUE);
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if (result != GST_H264_PARSER_OK)
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return get_status(result);
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gst_vaapi_decoder_set_pixel_aspect_ratio(
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base_decoder,
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sps->vui_parameters.par_n,
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sps->vui_parameters.par_d
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);
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return ensure_context(decoder, sps);
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return GST_VAAPI_DECODER_STATUS_SUCCESS;
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}
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static GstVaapiDecoderStatus
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@ -786,9 +836,6 @@ decode_pps(GstVaapiDecoderH264 *decoder, GstH264NalUnit *nalu)
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GST_DEBUG("decode PPS");
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if (priv->current_picture && !decode_current_picture(decoder))
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return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
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memset(pps, 0, sizeof(*pps));
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result = gst_h264_parser_parse_pps(priv->parser, nalu, pps);
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if (result != GST_H264_PARSER_OK)
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@ -819,12 +866,14 @@ decode_sei(GstVaapiDecoderH264 *decoder, GstH264NalUnit *nalu)
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static GstVaapiDecoderStatus
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decode_sequence_end(GstVaapiDecoderH264 *decoder)
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{
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GstVaapiDecoderH264Private * const priv = decoder->priv;
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GstVaapiDecoderStatus status;
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GST_DEBUG("decode sequence-end");
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if (priv->current_picture && !decode_current_picture(decoder))
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return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
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status = decode_current_picture(decoder);
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if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
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return status;
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dpb_flush(decoder);
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return GST_VAAPI_DECODER_STATUS_END_OF_STREAM;
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}
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@ -1705,7 +1754,8 @@ static gboolean
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exec_ref_pic_marking_sliding_window(GstVaapiDecoderH264 *decoder)
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{
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GstVaapiDecoderH264Private * const priv = decoder->priv;
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GstH264SPS * const sps = priv->sps;
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GstH264PPS * const pps = priv->current_picture->pps;
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GstH264SPS * const sps = pps->sequence;
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guint i, max_num_ref_frames, lowest_frame_num_index;
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gint32 lowest_frame_num;
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@ -1990,8 +2040,8 @@ fill_picture(
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{
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GstVaapiDecoderH264Private * const priv = decoder->priv;
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GstVaapiPicture * const base_picture = &picture->base;
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GstH264SPS * const sps = priv->sps;
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GstH264PPS * const pps = priv->pps;
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GstH264PPS * const pps = picture->pps;
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GstH264SPS * const sps = pps->sequence;
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VAPictureParameterBufferH264 * const pic_param = base_picture->param;
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guint i, n;
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@ -2010,9 +2060,9 @@ fill_picture(
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#define COPY_BFM(a, s, f) \
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pic_param->a.bits.f = (s)->f
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pic_param->picture_width_in_mbs_minus1 = priv->mb_width - 1;
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pic_param->picture_height_in_mbs_minus1 = priv->mb_height - 1;
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pic_param->frame_num = priv->frame_num;
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pic_param->picture_width_in_mbs_minus1 = ((priv->width + 15) >> 4) - 1;
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pic_param->picture_height_in_mbs_minus1 = ((priv->height + 15) >> 4) - 1;
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pic_param->frame_num = priv->frame_num;
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COPY_FIELD(sps, bit_depth_luma_minus8);
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COPY_FIELD(sps, bit_depth_chroma_minus8);
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@ -2140,14 +2190,13 @@ decode_picture(GstVaapiDecoderH264 *decoder, GstH264NalUnit *nalu, GstH264SliceH
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GstH264PPS * const pps = slice_hdr->pps;
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GstH264SPS * const sps = pps->sequence;
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status = ensure_context(decoder, sps);
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if (status != GST_VAAPI_DECODER_STATUS_SUCCESS) {
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GST_ERROR("failed to reset context");
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status = decode_current_picture(decoder);
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if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
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return status;
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}
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if (priv->current_picture && !decode_current_picture(decoder))
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return GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
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status = ensure_context(decoder, sps);
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if (status != GST_VAAPI_DECODER_STATUS_SUCCESS)
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return status;
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picture = gst_vaapi_picture_h264_new(decoder);
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if (!picture) {
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@ -2156,8 +2205,7 @@ decode_picture(GstVaapiDecoderH264 *decoder, GstH264NalUnit *nalu, GstH264SliceH
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}
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priv->current_picture = picture;
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priv->sps = sps;
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priv->pps = pps;
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||||
picture->pps = pps;
|
||||
|
||||
status = ensure_quant_matrix(decoder, picture);
|
||||
if (status != GST_VAAPI_DECODER_STATUS_SUCCESS) {
|
||||
|
|
@ -2364,9 +2412,6 @@ decode_slice(GstVaapiDecoderH264 *decoder, GstH264NalUnit *nalu)
|
|||
}
|
||||
picture = priv->current_picture;
|
||||
|
||||
priv->mb_x = slice_hdr->first_mb_in_slice % priv->mb_width;
|
||||
priv->mb_y = slice_hdr->first_mb_in_slice / priv->mb_width; // FIXME: MBAFF or field
|
||||
|
||||
if (!fill_slice(decoder, slice, nalu)) {
|
||||
status = GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
|
||||
goto error;
|
||||
|
|
@ -2375,15 +2420,6 @@ decode_slice(GstVaapiDecoderH264 *decoder, GstH264NalUnit *nalu)
|
|||
GST_VAAPI_PICTURE_CAST(picture),
|
||||
GST_VAAPI_SLICE_CAST(slice)
|
||||
);
|
||||
|
||||
/* Commit picture for decoding if we reached the last slice */
|
||||
if (++priv->mb_y >= priv->mb_height) {
|
||||
if (!decode_current_picture(decoder)) {
|
||||
status = GST_VAAPI_DECODER_STATUS_ERROR_UNKNOWN;
|
||||
goto error;
|
||||
}
|
||||
GST_DEBUG("done");
|
||||
}
|
||||
return GST_VAAPI_DECODER_STATUS_SUCCESS;
|
||||
|
||||
error:
|
||||
|
|
@ -2674,12 +2710,12 @@ gst_vaapi_decoder_h264_init(GstVaapiDecoderH264 *decoder)
|
|||
priv = GST_VAAPI_DECODER_H264_GET_PRIVATE(decoder);
|
||||
decoder->priv = priv;
|
||||
priv->parser = NULL;
|
||||
priv->sps = &priv->last_sps;
|
||||
priv->pps = &priv->last_pps;
|
||||
priv->current_picture = NULL;
|
||||
priv->dpb_count = 0;
|
||||
priv->dpb_size = 0;
|
||||
priv->profile = GST_VAAPI_PROFILE_H264_HIGH;
|
||||
priv->profile = GST_VAAPI_PROFILE_UNKNOWN;
|
||||
priv->entrypoint = GST_VAAPI_ENTRYPOINT_VLD;
|
||||
priv->chroma_type = GST_VAAPI_CHROMA_TYPE_YUV420;
|
||||
priv->short_ref_count = 0;
|
||||
priv->long_ref_count = 0;
|
||||
priv->RefPicList0_count = 0;
|
||||
|
|
@ -2687,10 +2723,6 @@ gst_vaapi_decoder_h264_init(GstVaapiDecoderH264 *decoder)
|
|||
priv->nal_length_size = 0;
|
||||
priv->width = 0;
|
||||
priv->height = 0;
|
||||
priv->mb_x = 0;
|
||||
priv->mb_y = 0;
|
||||
priv->mb_width = 0;
|
||||
priv->mb_height = 0;
|
||||
priv->adapter = NULL;
|
||||
priv->field_poc[0] = 0;
|
||||
priv->field_poc[1] = 0;
|
||||
|
|
|
|||
Loading…
Reference in a new issue