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-rw-r--r--gst-libs/gst/vaapi/gstvaapidecoder_mpeg2.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/gst-libs/gst/vaapi/gstvaapidecoder_mpeg2.c b/gst-libs/gst/vaapi/gstvaapidecoder_mpeg2.c
index 38ecb332..cabf379a 100644
--- a/gst-libs/gst/vaapi/gstvaapidecoder_mpeg2.c
+++ b/gst-libs/gst/vaapi/gstvaapidecoder_mpeg2.c
@@ -504,7 +504,7 @@ decode_sequence(GstVaapiDecoderMpeg2 *decoder, guchar *buf, guint buf_size)
GstVaapiDecoderMpeg2Private * const priv = decoder->priv;
GstMpegVideoSequenceHdr * const seq_hdr = &priv->seq_hdr;
- if (!gst_mpeg_video_parse_sequence_header(seq_hdr, buf, buf_size, 0)) {
+ if (!gst_mpeg_video_parse_sequence_header(seq_hdr, buf, buf_size, 4)) {
GST_ERROR("failed to parse sequence header");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
@@ -532,7 +532,7 @@ decode_sequence_ext(GstVaapiDecoderMpeg2 *decoder, guchar *buf, guint buf_size)
GstVaapiProfile profile;
guint width, height;
- if (!gst_mpeg_video_parse_sequence_extension(seq_ext, buf, buf_size, 0)) {
+ if (!gst_mpeg_video_parse_sequence_extension(seq_ext, buf, buf_size, 4)) {
GST_ERROR("failed to parse sequence-extension");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
@@ -600,7 +600,7 @@ decode_quant_matrix_ext(GstVaapiDecoderMpeg2 *decoder, guchar *buf, guint buf_si
GstVaapiDecoderMpeg2Private * const priv = decoder->priv;
GstMpegVideoQuantMatrixExt * const quant_matrix_ext = &priv->quant_matrix_ext;
- if (!gst_mpeg_video_parse_quant_matrix_extension(quant_matrix_ext, buf, buf_size, 0)) {
+ if (!gst_mpeg_video_parse_quant_matrix_extension(quant_matrix_ext, buf, buf_size, 4)) {
GST_ERROR("failed to parse quant-matrix-extension");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
@@ -616,7 +616,7 @@ decode_gop(GstVaapiDecoderMpeg2 *decoder, guchar *buf, guint buf_size)
GstMpegVideoGop gop;
GstClockTime pts;
- if (!gst_mpeg_video_parse_gop(&gop, buf, buf_size, 0)) {
+ if (!gst_mpeg_video_parse_gop(&gop, buf, buf_size, 4)) {
GST_ERROR("failed to parse GOP");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
@@ -676,7 +676,7 @@ decode_picture(GstVaapiDecoderMpeg2 *decoder, guchar *buf, guint buf_size)
return status;
}
- if (!gst_mpeg_video_parse_picture_header(pic_hdr, buf, buf_size, 0)) {
+ if (!gst_mpeg_video_parse_picture_header(pic_hdr, buf, buf_size, 4)) {
GST_ERROR("failed to parse picture header");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
@@ -713,7 +713,7 @@ decode_picture_ext(GstVaapiDecoderMpeg2 *decoder, guchar *buf, guint buf_size)
GstMpegVideoPictureExt * const pic_ext = &priv->pic_ext;
GstVaapiPicture * const picture = priv->current_picture;
- if (!gst_mpeg_video_parse_picture_extension(pic_ext, buf, buf_size, 0)) {
+ if (!gst_mpeg_video_parse_picture_extension(pic_ext, buf, buf_size, 4)) {
GST_ERROR("failed to parse picture-extension");
return GST_VAAPI_DECODER_STATUS_ERROR_BITSTREAM_PARSER;
}
@@ -887,6 +887,7 @@ decode_slice(
/* Parse slice */
gst_bit_reader_init(&br, buf, buf_size);
+ SKIP(&br, 32); /* slice_start_code */
if (priv->height > 2800)
READ_UINT8(&br, slice_vertical_position_extension, 3);
if (priv->has_seq_scalable_ext) {
@@ -977,7 +978,7 @@ decode_buffer(GstVaapiDecoderMpeg2 *decoder, GstBuffer *buffer)
ofs = scan_for_start_code(priv->adapter, 4, size - 4, NULL);
if (ofs < 0)
break;
- gst_adapter_flush(priv->adapter, 4);
+ buffer = gst_adapter_take_buffer(priv->adapter, ofs);
size -= ofs;
if (ofs == 4) {
@@ -989,7 +990,6 @@ decode_buffer(GstVaapiDecoderMpeg2 *decoder, GstBuffer *buffer)
break;
}
- buffer = gst_adapter_take_buffer(priv->adapter, ofs - 4);
buf = GST_BUFFER_DATA(buffer);
buf_size = GST_BUFFER_SIZE(buffer);
@@ -1004,7 +1004,7 @@ decode_buffer(GstVaapiDecoderMpeg2 *decoder, GstBuffer *buffer)
status = decode_sequence(decoder, buf, buf_size);
break;
case GST_MPEG_VIDEO_PACKET_EXTENSION: {
- const guchar id = buf[0] >> 4;
+ const guchar id = buf[4] >> 4;
switch (id) {
case GST_MPEG_VIDEO_PACKET_EXT_SEQUENCE:
status = decode_sequence_ext(decoder, buf, buf_size);