mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-04 09:42:19 +00:00
vdpaumpegdec: use READ_UINT[8|16|32] macros
This commit is contained in:
Carl-Anton Ingmarsson
parent
6933d12a9b
commit
a9687846f6
1 changed files with 110 additions and 112 deletions
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@ -54,6 +54,34 @@ guint8 mpeg2_scan[64] = {
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53, 60, 61, 54, 47, 55, 62, 63
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};
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#define READ_UINT8(reader, val, nbits) { \
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if (!gst_bit_reader_get_bits_uint8 (reader, &val, nbits)) { \
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GST_WARNING ("failed to read uint8, nbits: %d", nbits); \
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goto error; \
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} \
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}
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#define READ_UINT16(reader, val, nbits) { \
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if (!gst_bit_reader_get_bits_uint16 (reader, &val, nbits)) { \
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GST_WARNING ("failed to read uint16, nbits: %d", nbits); \
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goto error; \
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} \
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}
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#define READ_UINT32(reader, val, nbits) { \
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if (!gst_bit_reader_get_bits_uint32 (reader, &val, nbits)) { \
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GST_WARNING ("failed to read uint32, nbits: %d", nbits); \
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goto error; \
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} \
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}
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#define READ_UINT64(reader, val, nbits) { \
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if (!gst_bit_reader_get_bits_uint64 (reader, &val, nbits)) { \
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GST_WARNING ("failed to read uint32, nbits: %d", nbits); \
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goto error; \
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} \
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}
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static void
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set_fps_from_code (MPEGSeqHdr * hdr, guint8 fps_code)
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{
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@ -116,39 +144,34 @@ mpeg_util_parse_sequence_extension (MPEGSeqExtHdr * hdr, GstBuffer * buffer)
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if (!gst_bit_reader_skip (&reader, 1))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->profile, 3))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->level, 4))
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return FALSE;
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READ_UINT8 (&reader, hdr->profile, 3);
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READ_UINT8 (&reader, hdr->level, 4);
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/* progressive */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->progressive, 1))
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return FALSE;
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READ_UINT8 (&reader, hdr->progressive, 1);
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/* chroma format */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->chroma_format, 2))
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return FALSE;
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READ_UINT8 (&reader, hdr->chroma_format, 2);
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/* resolution extension */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->horiz_size_ext, 2))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->vert_size_ext, 2))
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return FALSE;
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READ_UINT8 (&reader, hdr->horiz_size_ext, 2);
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READ_UINT8 (&reader, hdr->vert_size_ext, 2);
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if (!gst_bit_reader_get_bits_uint16 (&reader, &hdr->bitrate_ext, 12))
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return FALSE;
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READ_UINT16 (&reader, hdr->bitrate_ext, 12);
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/* skip to framerate extension */
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if (!gst_bit_reader_skip (&reader, 9))
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return FALSE;
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/* framerate extension */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->fps_n_ext, 2))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->fps_d_ext, 2))
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return FALSE;
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READ_UINT8 (&reader, hdr->fps_n_ext, 2);
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READ_UINT8 (&reader, hdr->fps_d_ext, 2);
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return TRUE;
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error:
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GST_WARNING ("error parsing \"Sequence Extension\"");
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return FALSE;
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}
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gboolean
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@ -163,64 +186,52 @@ mpeg_util_parse_sequence_hdr (MPEGSeqHdr * hdr, GstBuffer * buffer)
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return FALSE;
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/* resolution */
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if (!gst_bit_reader_get_bits_uint16 (&reader, &hdr->width, 12))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint16 (&reader, &hdr->height, 12))
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return FALSE;
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READ_UINT16 (&reader, hdr->width, 12);
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READ_UINT16 (&reader, hdr->height, 12);
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/* aspect ratio */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &dar_idx, 4))
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return FALSE;
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READ_UINT8 (&reader, dar_idx, 4);
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set_par_from_dar (hdr, dar_idx);
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/* framerate */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &par_idx, 4))
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return FALSE;
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READ_UINT8 (&reader, par_idx, 4);
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set_fps_from_code (hdr, par_idx);
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/* bitrate */
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if (!gst_bit_reader_get_bits_uint32 (&reader, &hdr->bitrate, 18))
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return FALSE;
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READ_UINT32 (&reader, hdr->bitrate, 18);
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if (!gst_bit_reader_skip (&reader, 1))
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return FALSE;
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/* VBV buffer size */
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if (!gst_bit_reader_get_bits_uint16 (&reader, &hdr->vbv_buffer, 10))
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return FALSE;
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READ_UINT16 (&reader, hdr->vbv_buffer, 10);
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/* constrained parameters flag */
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if (!gst_bit_reader_get_bits_uint8 (&reader,
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&hdr->constrained_parameters_flag, 1))
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return FALSE;
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READ_UINT8 (&reader, hdr->constrained_parameters_flag, 1);
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/* intra quantizer matrix */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &load_intra_flag, 1))
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return FALSE;
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READ_UINT8 (&reader, load_intra_flag, 1);
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if (load_intra_flag) {
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gint i;
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for (i = 0; i < 64; i++) {
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if (!gst_bit_reader_get_bits_uint8 (&reader,
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&hdr->intra_quantizer_matrix[mpeg2_scan[i]], 8))
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return FALSE;
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}
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for (i = 0; i < 64; i++)
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READ_UINT8 (&reader, hdr->intra_quantizer_matrix[mpeg2_scan[i]], 8);
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} else
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memcpy (hdr->intra_quantizer_matrix, default_intra_quantizer_matrix, 64);
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/* non intra quantizer matrix */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &load_non_intra_flag, 1))
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return FALSE;
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READ_UINT8 (&reader, load_non_intra_flag, 1);
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if (load_non_intra_flag) {
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gint i;
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for (i = 0; i < 64; i++) {
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if (!gst_bit_reader_get_bits_uint8 (&reader,
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&hdr->non_intra_quantizer_matrix[mpeg2_scan[i]], 8))
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return FALSE;
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}
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for (i = 0; i < 64; i++)
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READ_UINT8 (&reader, hdr->non_intra_quantizer_matrix[mpeg2_scan[i]], 8);
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} else
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memset (hdr->non_intra_quantizer_matrix, 16, 64);
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return TRUE;
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error:
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GST_WARNING ("error parsing \"Sequence Header\"");
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return FALSE;
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}
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gboolean
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@ -249,12 +260,9 @@ mpeg_util_parse_picture_hdr (MPEGPictureHdr * hdr, GstBuffer * buffer)
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if (hdr->pic_type == P_FRAME || hdr->pic_type == B_FRAME) {
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->full_pel_forward_vector,
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1))
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return FALSE;
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READ_UINT8 (&reader, hdr->full_pel_forward_vector, 1);
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->f_code[0][0], 3))
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return FALSE;
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READ_UINT8 (&reader, hdr->f_code[0][0], 3);
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hdr->f_code[0][1] = hdr->f_code[0][0];
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} else {
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hdr->full_pel_forward_vector = 0;
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@ -262,12 +270,9 @@ mpeg_util_parse_picture_hdr (MPEGPictureHdr * hdr, GstBuffer * buffer)
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}
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if (hdr->pic_type == B_FRAME) {
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if (!gst_bit_reader_get_bits_uint8 (&reader,
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&hdr->full_pel_backward_vector, 1))
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return FALSE;
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READ_UINT8 (&reader, hdr->full_pel_backward_vector, 1);
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if (!gst_bit_reader_get_bits_uint8 (&reader, &hdr->f_code[1][0], 3))
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return FALSE;
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READ_UINT8 (&reader, hdr->f_code[1][0], 3);
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hdr->f_code[1][1] = hdr->f_code[1][0];
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} else {
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hdr->full_pel_backward_vector = 0;
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@ -275,6 +280,10 @@ mpeg_util_parse_picture_hdr (MPEGPictureHdr * hdr, GstBuffer * buffer)
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}
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return TRUE;
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error:
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GST_WARNING ("error parsing \"Picture Header\"");
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return FALSE;
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}
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gboolean
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@ -292,61 +301,49 @@ mpeg_util_parse_picture_coding_extension (MPEGPictureExt * ext,
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return FALSE;
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/* f_code */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->f_code[0][0], 4))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->f_code[0][1], 4))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->f_code[1][0], 4))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->f_code[1][1], 4))
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return FALSE;
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READ_UINT8 (&reader, ext->f_code[0][0], 4);
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READ_UINT8 (&reader, ext->f_code[0][1], 4);
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READ_UINT8 (&reader, ext->f_code[1][0], 4);
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READ_UINT8 (&reader, ext->f_code[1][1], 4);
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/* intra DC precision */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->intra_dc_precision, 2))
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return FALSE;
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READ_UINT8 (&reader, ext->intra_dc_precision, 2);
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/* picture structure */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->picture_structure, 2))
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return FALSE;
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READ_UINT8 (&reader, ext->picture_structure, 2);
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/* top field first */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->top_field_first, 1))
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return FALSE;
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READ_UINT8 (&reader, ext->top_field_first, 1);
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/* frame pred frame dct */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->frame_pred_frame_dct, 1))
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return FALSE;
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READ_UINT8 (&reader, ext->frame_pred_frame_dct, 1);
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/* concealment motion vectors */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->concealment_motion_vectors,
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1))
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return FALSE;
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READ_UINT8 (&reader, ext->concealment_motion_vectors, 1);
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/* q scale type */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->q_scale_type, 1))
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return FALSE;
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READ_UINT8 (&reader, ext->q_scale_type, 1);
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/* intra vlc format */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->intra_vlc_format, 1))
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return FALSE;
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READ_UINT8 (&reader, ext->intra_vlc_format, 1);
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/* alternate scan */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->alternate_scan, 1))
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return FALSE;
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READ_UINT8 (&reader, ext->alternate_scan, 1);
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/* repeat first field */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->repeat_first_field, 1))
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return FALSE;
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READ_UINT8 (&reader, ext->repeat_first_field, 1);
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/* chroma_420_type */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->chroma_420_type, 1))
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return FALSE;
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READ_UINT8 (&reader, ext->chroma_420_type, 1);
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/* progressive_frame */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &ext->progressive_frame, 1))
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return FALSE;
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READ_UINT8 (&reader, ext->progressive_frame, 1);
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return TRUE;
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error:
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GST_WARNING ("error parsing \"Picture Coding Extension\"");
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return FALSE;
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}
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gboolean
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@ -358,32 +355,29 @@ mpeg_util_parse_gop (MPEGGop * gop, GstBuffer * buffer)
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if (!gst_bit_reader_skip (&reader, 8 * 4))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &gop->drop_frame_flag, 1))
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return FALSE;
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READ_UINT8 (&reader, gop->drop_frame_flag, 1);
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if (!gst_bit_reader_get_bits_uint8 (&reader, &gop->hour, 5))
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return FALSE;
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READ_UINT8 (&reader, gop->hour, 5);
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if (!gst_bit_reader_get_bits_uint8 (&reader, &gop->minute, 6))
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return FALSE;
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READ_UINT8 (&reader, gop->minute, 6);
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/* skip unused bit */
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if (!gst_bit_reader_skip (&reader, 1))
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return FALSE;
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if (!gst_bit_reader_get_bits_uint8 (&reader, &gop->second, 6))
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return FALSE;
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READ_UINT8 (&reader, gop->second, 6);
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if (!gst_bit_reader_get_bits_uint8 (&reader, &gop->frame, 6))
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return FALSE;
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READ_UINT8 (&reader, gop->frame, 6);
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if (!gst_bit_reader_get_bits_uint8 (&reader, &gop->closed_gop, 1))
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return FALSE;
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READ_UINT8 (&reader, gop->closed_gop, 1);
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if (!gst_bit_reader_get_bits_uint8 (&reader, &gop->broken_gop, 1))
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return FALSE;
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READ_UINT8 (&reader, gop->broken_gop, 1);
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return TRUE;
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error:
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GST_WARNING ("error parsing \"GOP\"");
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return FALSE;
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}
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gboolean
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@ -401,30 +395,34 @@ mpeg_util_parse_quant_matrix (MPEGQuantMatrix * qm, GstBuffer * buffer)
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return FALSE;
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/* intra quantizer matrix */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &load_intra_flag, 1))
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return FALSE;
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READ_UINT8 (&reader, load_intra_flag, 1);
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if (load_intra_flag) {
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gint i;
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for (i = 0; i < 64; i++) {
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if (!gst_bit_reader_get_bits_uint8 (&reader,
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&qm->intra_quantizer_matrix[mpeg2_scan[i]], 8))
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return FALSE;
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READ_UINT8 (&reader, qm->intra_quantizer_matrix[mpeg2_scan[i]], 8);
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}
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} else
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memcpy (qm->intra_quantizer_matrix, default_intra_quantizer_matrix, 64);
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/* non intra quantizer matrix */
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if (!gst_bit_reader_get_bits_uint8 (&reader, &load_non_intra_flag, 1))
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return FALSE;
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READ_UINT8 (&reader, load_non_intra_flag, 1);
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if (load_non_intra_flag) {
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gint i;
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for (i = 0; i < 64; i++) {
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if (!gst_bit_reader_get_bits_uint8 (&reader,
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&qm->non_intra_quantizer_matrix[mpeg2_scan[i]], 8))
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return FALSE;
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READ_UINT8 (&reader, qm->non_intra_quantizer_matrix[mpeg2_scan[i]], 8);
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}
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} else
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memset (qm->non_intra_quantizer_matrix, 16, 64);
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return TRUE;
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error:
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GST_WARNING ("error parsing \"Quant Matrix Extension\"");
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return FALSE;
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}
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#undef READ_UINT8
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#undef READ_UINT16
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#undef READ_UINT32
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#undef READ_UINT64
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