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Code Issues Releases Activity

avcodec/nvdec: Constify bitstream pointee

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Reviewed-by: Timo Rothenpieler <timo@rothenpieler.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-02-07 16:01:04 +01:00
parent cd31eac999
commit 9ae40f282d
5 changed files with 8 additions and 8 deletions
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2
libavcodec/nvdec.c
View File

@ -680,7 +680,7 @@ int ff_nvdec_simple_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
ctx->slice_offsets = tmp;
if (!ctx->bitstream)
ctx->bitstream = (uint8_t*)buffer;
ctx->bitstream = buffer;
ctx->slice_offsets[ctx->nb_slices] = buffer - ctx->bitstream;
ctx->bitstream_len += size;

2
libavcodec/nvdec.h
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@ -56,7 +56,7 @@ typedef struct NVDECContext {
struct NVDECDecoder *decoder; ///< RefStruct reference
uint8_t *bitstream;
const uint8_t *bitstream;
int bitstream_len;
unsigned int bitstream_allocated;
uint8_t *bitstream_internal;

4
libavcodec/nvdec_av1.c
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@ -303,7 +303,7 @@ static int nvdec_av1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
/* Shortcut if all tiles are in the same buffer */
if (ctx->nb_slices == s->tg_end - s->tg_start + 1) {
ctx->bitstream = (uint8_t*)buffer;
ctx->bitstream = buffer;
ctx->bitstream_len = size;
for (int i = 0; i < ctx->nb_slices; ++i) {
@ -321,7 +321,7 @@ static int nvdec_av1_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
}
ctx->bitstream = ctx->bitstream_internal = tmp;
memcpy(ctx->bitstream + ctx->bitstream_len, buffer, size);
memcpy(ctx->bitstream_internal + ctx->bitstream_len, buffer, size);
for (uint32_t tile_num = s->tg_start; tile_num <= s->tg_end; ++tile_num) {
ctx->slice_offsets[tile_num*2 ] = ctx->bitstream_len + s->tile_group_info[tile_num].tile_offset;

4
libavcodec/nvdec_h264.c
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@ -150,8 +150,8 @@ static int nvdec_h264_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
return AVERROR(ENOMEM);
ctx->slice_offsets = tmp;
AV_WB24(ctx->bitstream + ctx->bitstream_len, 1);
memcpy(ctx->bitstream + ctx->bitstream_len + 3, buffer, size);
AV_WB24(ctx->bitstream_internal + ctx->bitstream_len, 1);
memcpy(ctx->bitstream_internal + ctx->bitstream_len + 3, buffer, size);
ctx->slice_offsets[ctx->nb_slices] = ctx->bitstream_len ;
ctx->bitstream_len += size + 3;
ctx->nb_slices++;

4
libavcodec/nvdec_hevc.c
View File

@ -286,8 +286,8 @@ static int nvdec_hevc_decode_slice(AVCodecContext *avctx, const uint8_t *buffer,
return AVERROR(ENOMEM);
ctx->slice_offsets = tmp;
AV_WB24(ctx->bitstream + ctx->bitstream_len, 1);
memcpy(ctx->bitstream + ctx->bitstream_len + 3, buffer, size);
AV_WB24(ctx->bitstream_internal + ctx->bitstream_len, 1);
memcpy(ctx->bitstream_internal + ctx->bitstream_len + 3, buffer, size);
ctx->slice_offsets[ctx->nb_slices] = ctx->bitstream_len ;
ctx->bitstream_len += size + 3;
ctx->nb_slices++;