highperfocused/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mpeg4videodec: move MpegEncContext.vol_sprite_usage to Mpeg4DecContext

Browse Source
This commit is contained in:
Anton Khirnov 2013-11-26 11:23:16 +01:00
parent 75bd07f732
commit 1a89025793
5 changed files with 33 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavcodec/h263dec.c
View File

@ -185,7 +185,7 @@ static int decode_slice(MpegEncContext *s)
const int qscale = s->qscale; const int qscale = s->qscale;
if (CONFIG_MPEG4_DECODER && s->codec_id == AV_CODEC_ID_MPEG4) if (CONFIG_MPEG4_DECODER && s->codec_id == AV_CODEC_ID_MPEG4)
if ((ret = ff_mpeg4_decode_partitions(s)) < 0) if ((ret = ff_mpeg4_decode_partitions(s->avctx->priv_data)) < 0)
return ret; return ret;
/* restore variables which were modified */ /* restore variables which were modified */

3
libavcodec/mpeg4video.h
View File

@ -65,6 +65,7 @@ typedef struct Mpeg4DecContext {
///< number of bits to represent the fractional part of time ///< number of bits to represent the fractional part of time
int time_increment_bits; int time_increment_bits;
int shape; int shape;
int vol_sprite_usage;
} Mpeg4DecContext; } Mpeg4DecContext;
/* dc encoding for mpeg4 */ /* dc encoding for mpeg4 */
@ -109,7 +110,7 @@ void ff_mpeg4_stuffing(PutBitContext *pbc);
void ff_mpeg4_init_partitions(MpegEncContext *s); void ff_mpeg4_init_partitions(MpegEncContext *s);
void ff_mpeg4_merge_partitions(MpegEncContext *s); void ff_mpeg4_merge_partitions(MpegEncContext *s);
void ff_clean_mpeg4_qscales(MpegEncContext *s); void ff_clean_mpeg4_qscales(MpegEncContext *s);
int ff_mpeg4_decode_partitions(MpegEncContext *s); int ff_mpeg4_decode_partitions(Mpeg4DecContext *ctx);
int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s); int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
int ff_mpeg4_decode_video_packet_header(Mpeg4DecContext *ctx); int ff_mpeg4_decode_video_packet_header(Mpeg4DecContext *ctx);
void ff_mpeg4_init_direct_mv(MpegEncContext *s); void ff_mpeg4_init_direct_mv(MpegEncContext *s);

48
libavcodec/mpeg4videodec.c
View File

@ -442,7 +442,7 @@ int ff_mpeg4_decode_video_packet_header(Mpeg4DecContext *ctx)
skip_bits(&s->gb, 3); /* intra dc vlc threshold */ skip_bits(&s->gb, 3); /* intra dc vlc threshold */
// FIXME don't just ignore everything // FIXME don't just ignore everything
if (s->pict_type == AV_PICTURE_TYPE_S && if (s->pict_type == AV_PICTURE_TYPE_S &&
s->vol_sprite_usage == GMC_SPRITE) { ctx->vol_sprite_usage == GMC_SPRITE) {
if (mpeg4_decode_sprite_trajectory(s, &s->gb) < 0) if (mpeg4_decode_sprite_trajectory(s, &s->gb) < 0)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
av_log(s->avctx, AV_LOG_ERROR, "untested\n"); av_log(s->avctx, AV_LOG_ERROR, "untested\n");
@ -573,8 +573,9 @@ static inline int mpeg4_decode_dc(MpegEncContext *s, int n, int *dir_ptr)
* Decode first partition. * Decode first partition.
* @return number of MBs decoded or <0 if an error occurred * @return number of MBs decoded or <0 if an error occurred
*/ */
static int mpeg4_decode_partition_a(MpegEncContext *s) static int mpeg4_decode_partition_a(Mpeg4DecContext *ctx)
{ {
MpegEncContext *s = &ctx->m;
int mb_num = 0; int mb_num = 0;
static const int8_t quant_tab[4] = { -1, -2, 1, 2 }; static const int8_t quant_tab[4] = { -1, -2, 1, 2 };
@ -644,7 +645,7 @@ try_again:
if (bits & 0x10000) { if (bits & 0x10000) {
/* skip mb */ /* skip mb */
if (s->pict_type == AV_PICTURE_TYPE_S && if (s->pict_type == AV_PICTURE_TYPE_S &&
s->vol_sprite_usage == GMC_SPRITE) { ctx->vol_sprite_usage == GMC_SPRITE) {
s->current_picture.mb_type[xy] = MB_TYPE_SKIP | s->current_picture.mb_type[xy] = MB_TYPE_SKIP |
MB_TYPE_16x16 | MB_TYPE_16x16 |
MB_TYPE_GMC | MB_TYPE_GMC |
@ -700,7 +701,7 @@ try_again:
ff_clean_intra_table_entries(s); ff_clean_intra_table_entries(s);
if (s->pict_type == AV_PICTURE_TYPE_S && if (s->pict_type == AV_PICTURE_TYPE_S &&
s->vol_sprite_usage == GMC_SPRITE && ctx->vol_sprite_usage == GMC_SPRITE &&
(cbpc & 16) == 0) (cbpc & 16) == 0)
s->mcsel = get_bits1(&s->gb); s->mcsel = get_bits1(&s->gb);
else else
@ -859,13 +860,14 @@ static int mpeg4_decode_partition_b(MpegEncContext *s, int mb_count)
* Decode the first and second partition. * Decode the first and second partition.
* @return <0 if error (and sets error type in the error_status_table) * @return <0 if error (and sets error type in the error_status_table)
*/ */
int ff_mpeg4_decode_partitions(MpegEncContext *s) int ff_mpeg4_decode_partitions(Mpeg4DecContext *ctx)
{ {
MpegEncContext *s = &ctx->m;
int mb_num; int mb_num;
const int part_a_error = s->pict_type == AV_PICTURE_TYPE_I ? (ER_DC_ERROR | ER_MV_ERROR) : ER_MV_ERROR; const int part_a_error = s->pict_type == AV_PICTURE_TYPE_I ? (ER_DC_ERROR | ER_MV_ERROR) : ER_MV_ERROR;
const int part_a_end = s->pict_type == AV_PICTURE_TYPE_I ? (ER_DC_END | ER_MV_END) : ER_MV_END; const int part_a_end = s->pict_type == AV_PICTURE_TYPE_I ? (ER_DC_END | ER_MV_END) : ER_MV_END;
mb_num = mpeg4_decode_partition_a(s); mb_num = mpeg4_decode_partition_a(ctx);
if (mb_num < 0) { if (mb_num < 0) {
ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y, ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y,
s->mb_x, s->mb_y, part_a_error); s->mb_x, s->mb_y, part_a_error);
@ -1167,6 +1169,7 @@ not_coded:
*/ */
static int mpeg4_decode_partitioned_mb(MpegEncContext *s, int16_t block[6][64]) static int mpeg4_decode_partitioned_mb(MpegEncContext *s, int16_t block[6][64])
{ {
Mpeg4DecContext *ctx = (Mpeg4DecContext *)s;
int cbp, mb_type; int cbp, mb_type;
const int xy = s->mb_x + s->mb_y * s->mb_stride; const int xy = s->mb_x + s->mb_y * s->mb_stride;
@ -1194,7 +1197,7 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, int16_t block[6][64])
s->mv_dir = MV_DIR_FORWARD; s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16; s->mv_type = MV_TYPE_16X16;
if (s->pict_type == AV_PICTURE_TYPE_S if (s->pict_type == AV_PICTURE_TYPE_S
&& s->vol_sprite_usage == GMC_SPRITE) { && ctx->vol_sprite_usage == GMC_SPRITE) {
s->mcsel = 1; s->mcsel = 1;
s->mb_skipped = 0; s->mb_skipped = 0;
} else { } else {
@ -1251,6 +1254,7 @@ static int mpeg4_decode_partitioned_mb(MpegEncContext *s, int16_t block[6][64])
static int mpeg4_decode_mb(MpegEncContext *s, int16_t block[6][64]) static int mpeg4_decode_mb(MpegEncContext *s, int16_t block[6][64])
{ {
Mpeg4DecContext *ctx = (Mpeg4DecContext *)s;
int cbpc, cbpy, i, cbp, pred_x, pred_y, mx, my, dquant; int cbpc, cbpy, i, cbp, pred_x, pred_y, mx, my, dquant;
int16_t *mot_val; int16_t *mot_val;
static int8_t quant_tab[4] = { -1, -2, 1, 2 }; static int8_t quant_tab[4] = { -1, -2, 1, 2 };
@ -1269,7 +1273,7 @@ static int mpeg4_decode_mb(MpegEncContext *s, int16_t block[6][64])
s->mv_dir = MV_DIR_FORWARD; s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16; s->mv_type = MV_TYPE_16X16;
if (s->pict_type == AV_PICTURE_TYPE_S && if (s->pict_type == AV_PICTURE_TYPE_S &&
s->vol_sprite_usage == GMC_SPRITE) { ctx->vol_sprite_usage == GMC_SPRITE) {
s->current_picture.mb_type[xy] = MB_TYPE_SKIP | s->current_picture.mb_type[xy] = MB_TYPE_SKIP |
MB_TYPE_GMC | MB_TYPE_GMC |
MB_TYPE_16x16 | MB_TYPE_16x16 |
@ -1304,7 +1308,7 @@ static int mpeg4_decode_mb(MpegEncContext *s, int16_t block[6][64])
goto intra; goto intra;
if (s->pict_type == AV_PICTURE_TYPE_S && if (s->pict_type == AV_PICTURE_TYPE_S &&
s->vol_sprite_usage == GMC_SPRITE && (cbpc & 16) == 0) ctx->vol_sprite_usage == GMC_SPRITE && (cbpc & 16) == 0)
s->mcsel = get_bits1(&s->gb); s->mcsel = get_bits1(&s->gb);
else else
s->mcsel = 0; s->mcsel = 0;
@ -1756,15 +1760,15 @@ static int decode_vol_header(Mpeg4DecContext *ctx, GetBitContext *gb)
av_log(s->avctx, AV_LOG_INFO, /* OBMC Disable */ av_log(s->avctx, AV_LOG_INFO, /* OBMC Disable */
"MPEG4 OBMC not supported (very likely buggy encoder)\n"); "MPEG4 OBMC not supported (very likely buggy encoder)\n");
if (vo_ver_id == 1) if (vo_ver_id == 1)
s->vol_sprite_usage = get_bits1(gb); /* vol_sprite_usage */ ctx->vol_sprite_usage = get_bits1(gb); /* vol_sprite_usage */
else else
s->vol_sprite_usage = get_bits(gb, 2); /* vol_sprite_usage */ ctx->vol_sprite_usage = get_bits(gb, 2); /* vol_sprite_usage */
if (s->vol_sprite_usage == STATIC_SPRITE) if (ctx->vol_sprite_usage == STATIC_SPRITE)
av_log(s->avctx, AV_LOG_ERROR, "Static Sprites not supported\n"); av_log(s->avctx, AV_LOG_ERROR, "Static Sprites not supported\n");
if (s->vol_sprite_usage == STATIC_SPRITE || if (ctx->vol_sprite_usage == STATIC_SPRITE ||
s->vol_sprite_usage == GMC_SPRITE) { ctx->vol_sprite_usage == GMC_SPRITE) {
if (s->vol_sprite_usage == STATIC_SPRITE) { if (ctx->vol_sprite_usage == STATIC_SPRITE) {
s->sprite_width = get_bits(gb, 13); s->sprite_width = get_bits(gb, 13);
skip_bits1(gb); /* marker */ skip_bits1(gb); /* marker */
s->sprite_height = get_bits(gb, 13); s->sprite_height = get_bits(gb, 13);
@ -1784,7 +1788,7 @@ static int decode_vol_header(Mpeg4DecContext *ctx, GetBitContext *gb)
} }
s->sprite_warping_accuracy = get_bits(gb, 2); s->sprite_warping_accuracy = get_bits(gb, 2);
s->sprite_brightness_change = get_bits1(gb); s->sprite_brightness_change = get_bits1(gb);
if (s->vol_sprite_usage == STATIC_SPRITE) if (ctx->vol_sprite_usage == STATIC_SPRITE)
s->low_latency_sprite = get_bits1(gb); s->low_latency_sprite = get_bits1(gb);
} }
// FIXME sadct disable bit if verid!=1 && shape not rect // FIXME sadct disable bit if verid!=1 && shape not rect
@ -2075,7 +2079,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
ctx->time_increment_bits++) { ctx->time_increment_bits++) {
if (s->pict_type == AV_PICTURE_TYPE_P || if (s->pict_type == AV_PICTURE_TYPE_P ||
(s->pict_type == AV_PICTURE_TYPE_S && (s->pict_type == AV_PICTURE_TYPE_S &&
s->vol_sprite_usage == GMC_SPRITE)) { ctx->vol_sprite_usage == GMC_SPRITE)) {
if ((show_bits(gb, ctx->time_increment_bits + 6) & 0x37) == 0x30) if ((show_bits(gb, ctx->time_increment_bits + 6) & 0x37) == 0x30)
break; break;
} else if ((show_bits(gb, ctx->time_increment_bits + 5) & 0x1F) == 0x18) } else if ((show_bits(gb, ctx->time_increment_bits + 5) & 0x1F) == 0x18)
@ -2141,7 +2145,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
if (ctx->shape != BIN_ONLY_SHAPE && if (ctx->shape != BIN_ONLY_SHAPE &&
(s->pict_type == AV_PICTURE_TYPE_P || (s->pict_type == AV_PICTURE_TYPE_P ||
(s->pict_type == AV_PICTURE_TYPE_S && (s->pict_type == AV_PICTURE_TYPE_S &&
s->vol_sprite_usage == GMC_SPRITE))) { ctx->vol_sprite_usage == GMC_SPRITE))) {
/* rounding type for motion estimation */ /* rounding type for motion estimation */
s->no_rounding = get_bits1(gb); s->no_rounding = get_bits1(gb);
} else { } else {
@ -2150,7 +2154,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
// FIXME reduced res stuff // FIXME reduced res stuff
if (ctx->shape != RECT_SHAPE) { if (ctx->shape != RECT_SHAPE) {
if (s->vol_sprite_usage != 1 || s->pict_type != AV_PICTURE_TYPE_I) { if (ctx->vol_sprite_usage != 1 || s->pict_type != AV_PICTURE_TYPE_I) {
skip_bits(gb, 13); /* width */ skip_bits(gb, 13); /* width */
skip_bits1(gb); /* marker */ skip_bits1(gb); /* marker */
skip_bits(gb, 13); /* height */ skip_bits(gb, 13); /* height */
@ -2195,14 +2199,14 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
} }
if (s->pict_type == AV_PICTURE_TYPE_S && if (s->pict_type == AV_PICTURE_TYPE_S &&
(s->vol_sprite_usage == STATIC_SPRITE || (ctx->vol_sprite_usage == STATIC_SPRITE ||
s->vol_sprite_usage == GMC_SPRITE)) { ctx->vol_sprite_usage == GMC_SPRITE)) {
if (mpeg4_decode_sprite_trajectory(s, gb) < 0) if (mpeg4_decode_sprite_trajectory(s, gb) < 0)
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
if (s->sprite_brightness_change) if (s->sprite_brightness_change)
av_log(s->avctx, AV_LOG_ERROR, av_log(s->avctx, AV_LOG_ERROR,
"sprite_brightness_change not supported\n"); "sprite_brightness_change not supported\n");
if (s->vol_sprite_usage == STATIC_SPRITE) if (ctx->vol_sprite_usage == STATIC_SPRITE)
av_log(s->avctx, AV_LOG_ERROR, "static sprite not supported\n"); av_log(s->avctx, AV_LOG_ERROR, "static sprite not supported\n");
} }

1
libavcodec/mpegvideo.h
View File

@ -579,7 +579,6 @@ typedef struct MpegEncContext {
uint16_t pb_time; ///< time distance between the last b and p,s,i frame uint16_t pb_time; ///< time distance between the last b and p,s,i frame
uint16_t pp_field_time; uint16_t pp_field_time;
uint16_t pb_field_time; ///< like above, just for interlaced uint16_t pb_field_time; ///< like above, just for interlaced
int vol_sprite_usage;
int sprite_width; int sprite_width;
int sprite_height; int sprite_height;
int sprite_left; int sprite_left;

6
libavcodec/vaapi_mpeg4.c
View File

@ -22,6 +22,7 @@
#include "vaapi_internal.h" #include "vaapi_internal.h"
#include "h263.h" #include "h263.h"
#include "mpeg4video.h"
/** Reconstruct bitstream intra_dc_vlc_thr */ /** Reconstruct bitstream intra_dc_vlc_thr */
static int mpeg4_get_intra_dc_vlc_thr(MpegEncContext *s) static int mpeg4_get_intra_dc_vlc_thr(MpegEncContext *s)
@ -41,7 +42,8 @@ static int mpeg4_get_intra_dc_vlc_thr(MpegEncContext *s)
static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size) static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_t *buffer, av_unused uint32_t size)
{ {
MpegEncContext * const s = avctx->priv_data; Mpeg4DecContext *ctx = avctx->priv_data;
MpegEncContext * const s = &ctx->m;
struct vaapi_context * const vactx = avctx->hwaccel_context; struct vaapi_context * const vactx = avctx->hwaccel_context;
VAPictureParameterBufferMPEG4 *pic_param; VAPictureParameterBufferMPEG4 *pic_param;
VAIQMatrixBufferMPEG4 *iq_matrix; VAIQMatrixBufferMPEG4 *iq_matrix;
@ -64,7 +66,7 @@ static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_
pic_param->vol_fields.bits.chroma_format = CHROMA_420; pic_param->vol_fields.bits.chroma_format = CHROMA_420;
pic_param->vol_fields.bits.interlaced = !s->progressive_sequence; pic_param->vol_fields.bits.interlaced = !s->progressive_sequence;
pic_param->vol_fields.bits.obmc_disable = 1; pic_param->vol_fields.bits.obmc_disable = 1;
pic_param->vol_fields.bits.sprite_enable = s->vol_sprite_usage; pic_param->vol_fields.bits.sprite_enable = ctx->vol_sprite_usage;
pic_param->vol_fields.bits.sprite_warping_accuracy = s->sprite_warping_accuracy; pic_param->vol_fields.bits.sprite_warping_accuracy = s->sprite_warping_accuracy;
pic_param->vol_fields.bits.quant_type = s->mpeg_quant; pic_param->vol_fields.bits.quant_type = s->mpeg_quant;
pic_param->vol_fields.bits.quarter_sample = s->quarter_sample; pic_param->vol_fields.bits.quarter_sample = s->quarter_sample;