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Code Issues Releases Activity

Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  avconv: print the codecs names in the stream mapping.
  avconv: move the avcodec_find_decoder() call to add_input_streams().
  Windows Media Image decoder (WMVP/WVP2)
  ac3enc: remove outdated TODO comment for apply_channel_coupling()

Conflicts:
	Changelog
	libavcodec/avcodec.h
	libavcodec/vc1dec.c
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-08-23 18:26:37 +02:00
commit 4ca6a151e0
16 changed files with 436 additions and 91 deletions
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1
Changelog
View File

@ -45,6 +45,7 @@ easier to use. The changes are:
- XMV demuxer
- LOAS demuxer
- ashowinfo filter added
- Windows Media Image decoder
version 0.8:

8
avconv.c
View File

@ -1895,8 +1895,6 @@ static int init_input_stream(int ist_index, OutputStream *output_streams, int nb
InputStream *ist = &input_streams[ist_index];
if (ist->decoding_needed) {
AVCodec *codec = ist->dec;
if (!codec)
codec = avcodec_find_decoder(ist->st->codec->codec_id);
if (!codec) {
snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
ist->st->codec->codec_id, ist->file_index, ist->st->index);
@ -2250,6 +2248,10 @@ static int transcode_init(OutputFile *output_files,
ost->sync_ist->st->index);
if (ost->st->stream_copy)
fprintf(stderr, " (copy)");
else
fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
input_streams[ost->source_index].dec->name : "?",
ost->enc ? ost->enc->name : "?");
fprintf(stderr, "\n");
}
}
@ -3004,6 +3006,8 @@ static void add_input_streams(AVFormatContext *ic)
ist->ts_scale = strtod(scale, NULL);
ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
if (!ist->dec)
ist->dec = avcodec_find_decoder(dec->codec_id);
switch (dec->codec_type) {
case AVMEDIA_TYPE_AUDIO:

2
configure vendored
View File

@ -1374,6 +1374,7 @@ vc1_dxva2_hwaccel_deps="dxva2api_h DXVA_PictureParameters_wDecodedPictureIndex"
vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
vc1_vaapi_hwaccel_select="vaapi vc1_decoder"
vc1_vdpau_decoder_select="vdpau vc1_decoder"
vc1image_decoder_select="vc1_decoder"
vorbis_decoder_select="mdct"
vorbis_encoder_select="mdct"
vp6_decoder_select="huffman"
@ -1395,6 +1396,7 @@ wmv3_crystalhd_decoder_select="crystalhd"
wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"
wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"
wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
wmv3image_decoder_select="wmv3_decoder"
zlib_decoder_select="zlib"
zlib_encoder_select="zlib"
zmbv_decoder_select="zlib"

1
doc/general.texi
View File

@ -520,6 +520,7 @@ following image formats are supported:
@item VMware Screen Codec / VMware Video @tab @tab X
@tab Codec used in videos captured by VMware.
@item Westwood Studios VQA (Vector Quantized Animation) video @tab @tab X
@item Windows Media Image @tab @tab X
@item Windows Media Video 7 @tab X @tab X
@item Windows Media Video 8 @tab X @tab X
@item Windows Media Video 9 @tab @tab X

5
libavcodec/ac3enc_template.c
View File

@ -132,11 +132,6 @@ static inline float calc_cpl_coord(float energy_ch, float energy_cpl)
/**
* Calculate coupling channel and coupling coordinates.
* TODO: Currently this is only used for the floating-point encoder. I was
* able to make it work for the fixed-point encoder, but quality was
* generally lower in most cases than not using coupling. If a more
* adaptive coupling strategy were to be implemented it might be useful
* at that time to use coupling for the fixed-point encoder as well.
*/
static void apply_channel_coupling(AC3EncodeContext *s)
{

2
libavcodec/allcodecs.c
View File

@ -212,6 +212,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (VC1, vc1);
REGISTER_DECODER (VC1_CRYSTALHD, vc1_crystalhd);
REGISTER_DECODER (VC1_VDPAU, vc1_vdpau);
REGISTER_DECODER (VC1IMAGE, vc1image);
REGISTER_DECODER (VCR1, vcr1);
REGISTER_DECODER (VMDVIDEO, vmdvideo);
REGISTER_DECODER (VMNC, vmnc);
@ -227,6 +228,7 @@ void avcodec_register_all(void)
REGISTER_DECODER (WMV3, wmv3);
REGISTER_DECODER (WMV3_CRYSTALHD, wmv3_crystalhd);
REGISTER_DECODER (WMV3_VDPAU, wmv3_vdpau);
REGISTER_DECODER (WMV3IMAGE, wmv3image);
REGISTER_DECODER (WNV1, wnv1);
REGISTER_DECODER (XAN_WC3, xan_wc3);
REGISTER_DECODER (XAN_WC4, xan_wc4);

2
libavcodec/avcodec.h
View File

@ -208,6 +208,8 @@ enum CodecID {
CODEC_ID_PRORES,
CODEC_ID_JV,
CODEC_ID_DFA,
CODEC_ID_WMV3IMAGE,
CODEC_ID_VC1IMAGE,
CODEC_ID_8SVX_RAW,
CODEC_ID_G2M,

2
libavcodec/h263dec.c
View File

@ -91,6 +91,8 @@ av_cold int ff_h263_decode_init(AVCodecContext *avctx)
break;
case CODEC_ID_VC1:
case CODEC_ID_WMV3:
case CODEC_ID_VC1IMAGE:
case CODEC_ID_WMV3IMAGE:
s->h263_pred = 1;
s->msmpeg4_version=6;
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;

12
libavcodec/mpegvideo.c
View File

@ -208,7 +208,12 @@ void ff_copy_picture(Picture *dst, Picture *src){
*/
static void free_frame_buffer(MpegEncContext *s, Picture *pic)
{
ff_thread_release_buffer(s->avctx, (AVFrame*)pic);
/* Windows Media Image codecs allocate internal buffers with different
dimensions; ignore user defined callbacks for these */
if (s->codec_id != CODEC_ID_WMV3IMAGE && s->codec_id != CODEC_ID_VC1IMAGE)
ff_thread_release_buffer(s->avctx, (AVFrame*)pic);
else
avcodec_default_release_buffer(s->avctx, (AVFrame*)pic);
av_freep(&pic->f.hwaccel_picture_private);
}
@ -230,7 +235,10 @@ static int alloc_frame_buffer(MpegEncContext *s, Picture *pic)
}
}
r = ff_thread_get_buffer(s->avctx, (AVFrame*)pic);
if (s->codec_id != CODEC_ID_WMV3IMAGE && s->codec_id != CODEC_ID_VC1IMAGE)
r = ff_thread_get_buffer(s->avctx, (AVFrame*)pic);
else
r = avcodec_default_get_buffer(s->avctx, (AVFrame*)pic);
if (r < 0 || !pic->f.age || !pic->f.type || !pic->f.data[0]) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed (%d %d %d %p)\n",

3
libavcodec/vc1.c
View File

@ -314,9 +314,6 @@ int vc1_decode_sequence_header(AVCodecContext *avctx, VC1Context *v, GetBitConte
"Old interlaced mode is not supported\n");
return -1;
}
if (v->res_sprite) {
av_log(avctx, AV_LOG_ERROR, "WMVP is not fully supported\n");
}
}
// (fps-2)/4 (->30)

3
libavcodec/vc1.h
View File

@ -311,6 +311,9 @@ typedef struct VC1Context{
//@{
int new_sprite;
int two_sprites;
AVFrame sprite_output_frame;
int output_width, output_height, sprite_width, sprite_height;
uint8_t* sr_rows[2][2]; ///< Sprite resizer line cache
//@}
int p_frame_skipped;

402
libavcodec/vc1dec.c
View File

@ -3278,116 +3278,279 @@ static void vc1_decode_blocks(VC1Context *v)
}
}
static inline float get_float_val(GetBitContext* gb)
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
typedef struct {
/**
* Transform coefficients for both sprites in 16.16 fixed point format,
* in the order they appear in the bitstream:
* x scale
* rotation 1 (unused)
* x offset
* rotation 2 (unused)
* y scale
* y offset
* alpha
*/
int coefs[2][7];
int effect_type, effect_flag;
int effect_pcount1, effect_pcount2; ///< amount of effect parameters stored in effect_params
int effect_params1[15], effect_params2[10]; ///< effect parameters in 16.16 fixed point format
} SpriteData;
static inline int get_fp_val(GetBitContext* gb)
{
return (float)get_bits_long(gb, 30) / (1<<15) - (1<<14);
return (get_bits_long(gb, 30) - (1<<29)) << 1;
}
static void vc1_sprite_parse_transform(VC1Context *v, GetBitContext* gb, float c[7])
static void vc1_sprite_parse_transform(GetBitContext* gb, int c[7])
{
c[1] = c[3] = 0.0f;
c[1] = c[3] = 0;
switch (get_bits(gb, 2)) {
case 0:
c[0] = 1.0f;
c[2] = get_float_val(gb);
c[4] = 1.0f;
c[0] = 1<<16;
c[2] = get_fp_val(gb);
c[4] = 1<<16;
break;
case 1:
c[0] = c[4] = get_float_val(gb);
c[2] = get_float_val(gb);
c[0] = c[4] = get_fp_val(gb);
c[2] = get_fp_val(gb);
break;
case 2:
c[0] = get_float_val(gb);
c[2] = get_float_val(gb);
c[4] = get_float_val(gb);
c[0] = get_fp_val(gb);
c[2] = get_fp_val(gb);
c[4] = get_fp_val(gb);
break;
case 3:
av_log_ask_for_sample(v->s.avctx, NULL);
c[0] = get_float_val(gb);
c[1] = get_float_val(gb);
c[2] = get_float_val(gb);
c[3] = get_float_val(gb);
c[4] = get_float_val(gb);
c[0] = get_fp_val(gb);
c[1] = get_fp_val(gb);
c[2] = get_fp_val(gb);
c[3] = get_fp_val(gb);
c[4] = get_fp_val(gb);
break;
}
c[5] = get_float_val(gb);
c[5] = get_fp_val(gb);
if (get_bits1(gb))
c[6] = get_float_val(gb);
c[6] = get_fp_val(gb);
else
c[6] = 1.0f;
c[6] = 1<<16;
}
static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb)
static void vc1_parse_sprites(VC1Context *v, GetBitContext* gb, SpriteData* sd)
{
int effect_type, effect_flag, effect_pcount1, effect_pcount2, i;
float effect_params1[14], effect_params2[10];
AVCodecContext *avctx = v->s.avctx;
int sprite, i;
float coefs[2][7];
vc1_sprite_parse_transform(v, gb, coefs[0]);
av_log(v->s.avctx, AV_LOG_DEBUG, "S1:");
for (i = 0; i < 7; i++)
av_log(v->s.avctx, AV_LOG_DEBUG, " %.3f", coefs[0][i]);
av_log(v->s.avctx, AV_LOG_DEBUG, "\n");
if (v->two_sprites) {
vc1_sprite_parse_transform(v, gb, coefs[1]);
av_log(v->s.avctx, AV_LOG_DEBUG, "S2:");
for (sprite = 0; sprite <= v->two_sprites; sprite++) {
vc1_sprite_parse_transform(gb, sd->coefs[sprite]);
if (sd->coefs[sprite][1] || sd->coefs[sprite][3])
av_log_ask_for_sample(avctx, "Rotation coefficients are not zero");
av_log(avctx, AV_LOG_DEBUG, sprite ? "S2:" : "S1:");
for (i = 0; i < 7; i++)
av_log(v->s.avctx, AV_LOG_DEBUG, " %.3f", coefs[1][i]);
av_log(v->s.avctx, AV_LOG_DEBUG, "\n");
av_log(avctx, AV_LOG_DEBUG, " %d.%.3d",
sd->coefs[sprite][i] / (1<<16),
(abs(sd->coefs[sprite][i]) & 0xFFFF) * 1000 / (1<<16));
av_log(avctx, AV_LOG_DEBUG, "\n");
}
skip_bits(gb, 2);
if (effect_type = get_bits_long(gb, 30)){
switch (effect_pcount1 = get_bits(gb, 4)) {
case 2:
effect_params1[0] = get_float_val(gb);
effect_params1[1] = get_float_val(gb);
break;
if (sd->effect_type = get_bits_long(gb, 30)) {
switch (sd->effect_pcount1 = get_bits(gb, 4)) {
case 7:
vc1_sprite_parse_transform(v, gb, effect_params1);
vc1_sprite_parse_transform(gb, sd->effect_params1);
break;
case 14:
vc1_sprite_parse_transform(v, gb, effect_params1);
vc1_sprite_parse_transform(v, gb, &effect_params1[7]);
vc1_sprite_parse_transform(gb, sd->effect_params1);
vc1_sprite_parse_transform(gb, sd->effect_params1 + 7);
break;
default:
av_log_ask_for_sample(v->s.avctx, NULL);
return;
for (i = 0; i < sd->effect_pcount1; i++)
sd->effect_params1[i] = get_fp_val(gb);
}
if (effect_type != 13 || effect_params1[0] != coefs[0][6]) {
if (sd->effect_type != 13 || sd->effect_params1[0] != sd->coefs[0][6]) {
// effect 13 is simple alpha blending and matches the opacity above
av_log(v->s.avctx, AV_LOG_DEBUG, "Effect: %d; params: ", effect_type);
for (i = 0; i < effect_pcount1; i++)
av_log(v->s.avctx, AV_LOG_DEBUG, " %.3f", effect_params1[i]);
av_log(v->s.avctx, AV_LOG_DEBUG, "\n");
av_log(avctx, AV_LOG_DEBUG, "Effect: %d; params: ", sd->effect_type);
for (i = 0; i < sd->effect_pcount1; i++)
av_log(avctx, AV_LOG_DEBUG, " %d.%.2d",
sd->effect_params1[i] / (1<<16),
(abs(sd->effect_params1[i]) & 0xFFFF) * 1000 / (1<<16));
av_log(avctx, AV_LOG_DEBUG, "\n");
}
effect_pcount2 = get_bits(gb, 16);
if (effect_pcount2 > 10) {
av_log(v->s.avctx, AV_LOG_ERROR, "Too many effect parameters\n");
sd->effect_pcount2 = get_bits(gb, 16);
if (sd->effect_pcount2 > 10) {
av_log(avctx, AV_LOG_ERROR, "Too many effect parameters\n");
return;
} else if (effect_pcount2) {
i = 0;
av_log(v->s.avctx, AV_LOG_DEBUG, "Effect params 2: ");
while (i < effect_pcount2){
effect_params2[i] = get_float_val(gb);
av_log(v->s.avctx, AV_LOG_DEBUG, " %.3f", effect_params2[i]);
i++;
} else if (sd->effect_pcount2) {
i = -1;
av_log(avctx, AV_LOG_DEBUG, "Effect params 2: ");
while (++i < sd->effect_pcount2){
sd->effect_params2[i] = get_fp_val(gb);
av_log(avctx, AV_LOG_DEBUG, " %d.%.2d",
sd->effect_params2[i] / (1<<16),
(abs(sd->effect_params2[i]) & 0xFFFF) * 1000 / (1<<16));
}
av_log(v->s.avctx, AV_LOG_DEBUG, "\n");
av_log(avctx, AV_LOG_DEBUG, "\n");
}
}
if (effect_flag = get_bits1(gb))
av_log(v->s.avctx, AV_LOG_DEBUG, "Effect flag set\n");
if (sd->effect_flag = get_bits1(gb))
av_log(avctx, AV_LOG_DEBUG, "Effect flag set\n");
if (get_bits_count(gb) >= gb->size_in_bits +
(v->s.avctx->codec_id == CODEC_ID_WMV3 ? 64 : 0))
av_log(v->s.avctx, AV_LOG_ERROR, "Buffer overrun\n");
(avctx->codec_id == CODEC_ID_WMV3IMAGE ? 64 : 0))
av_log(avctx, AV_LOG_ERROR, "Buffer overrun\n");
if (get_bits_count(gb) < gb->size_in_bits - 8)
av_log(v->s.avctx, AV_LOG_WARNING, "Buffer not fully read\n");
av_log(avctx, AV_LOG_WARNING, "Buffer not fully read\n");
}
static void vc1_draw_sprites(VC1Context *v, SpriteData* sd)
{
int i, plane, row, sprite;
int sr_cache[2][2] = { { -1, -1 }, { -1, -1 } };
uint8_t* src_h[2][2];
int xoff[2], xadv[2], yoff[2], yadv[2], alpha;
int ysub[2];
MpegEncContext *s = &v->s;
for (i = 0; i < 2; i++) {
xoff[i] = av_clip(sd->coefs[i][2], 0, v->sprite_width-1 << 16);
xadv[i] = sd->coefs[i][0];
if (xadv[i] != 1<<16 || (v->sprite_width<<16) - (v->output_width<<16) - xoff[i])
xadv[i] = av_clip(xadv[i], 0, ((v->sprite_width<<16) - xoff[i] - 1) / v->output_width);
yoff[i] = av_clip(sd->coefs[i][5], 0, v->sprite_height-1 << 16);
yadv[i] = av_clip(sd->coefs[i][4], 0, ((v->sprite_height<<16) - yoff[i]) / v->output_height);
}
alpha = av_clip(sd->coefs[1][6], 0, (1<<16) - 1);
for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++) {
int width = v->output_width>>!!plane;
for (row = 0; row < v->output_height>>!!plane; row++) {
uint8_t *dst = v->sprite_output_frame.data[plane] +
v->sprite_output_frame.linesize[plane] * row;
for (sprite = 0; sprite <= v->two_sprites; sprite++) {
uint8_t *iplane = s->current_picture.f.data[plane];
int iline = s->current_picture.f.linesize[plane];
int ycoord = yoff[sprite] + yadv[sprite]*row;
int yline = ycoord>>16;
ysub[sprite] = ycoord&0xFFFF;
if (sprite) {
iplane = s->last_picture.f.data[plane];
iline = s->last_picture.f.linesize[plane];
}
if (!(xoff[sprite]&0xFFFF) && xadv[sprite] == 1<<16) {
src_h[sprite][0] = iplane+(xoff[sprite]>>16)+ yline *iline;
if (ysub[sprite])
src_h[sprite][1] = iplane+(xoff[sprite]>>16)+(yline+1)*iline;
} else {
if (sr_cache[sprite][0] != yline) {
if (sr_cache[sprite][1] == yline) {
FFSWAP(uint8_t*, v->sr_rows[sprite][0], v->sr_rows[sprite][1]);
FFSWAP(int, sr_cache[sprite][0], sr_cache[sprite][1]);
} else {
v->vc1dsp.sprite_h(v->sr_rows[sprite][0], iplane+yline*iline, xoff[sprite], xadv[sprite], width);
sr_cache[sprite][0] = yline;
}
}
if (ysub[sprite] && sr_cache[sprite][1] != yline + 1) {
v->vc1dsp.sprite_h(v->sr_rows[sprite][1], iplane+(yline+1)*iline, xoff[sprite], xadv[sprite], width);
sr_cache[sprite][1] = yline + 1;
}
src_h[sprite][0] = v->sr_rows[sprite][0];
src_h[sprite][1] = v->sr_rows[sprite][1];
}
}
if (!v->two_sprites) {
if (ysub[0]) {
v->vc1dsp.sprite_v_single(dst, src_h[0][0], src_h[0][1], ysub[0], width);
} else {
memcpy(dst, src_h[0][0], width);
}
} else {
if (ysub[0] && ysub[1]) {
v->vc1dsp.sprite_v_double_twoscale(dst, src_h[0][0], src_h[0][1], ysub[0],
src_h[1][0], src_h[1][1], ysub[1], alpha, width);
} else if (ysub[0]) {
v->vc1dsp.sprite_v_double_onescale(dst, src_h[0][0], src_h[0][1], ysub[0],
src_h[1][0], alpha, width);
} else if (ysub[1]) {
v->vc1dsp.sprite_v_double_onescale(dst, src_h[1][0], src_h[1][1], ysub[1],
src_h[0][0], (1<<16)-1-alpha, width);
} else {
v->vc1dsp.sprite_v_double_noscale(dst, src_h[0][0], src_h[1][0], alpha, width);
}
}
}
if (!plane) {
for (i = 0; i < 2; i++) {
xoff[i] >>= 1;
yoff[i] >>= 1;
}
}
}
}
static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
{
MpegEncContext *s = &v->s;
AVCodecContext *avctx = s->avctx;
SpriteData sd;
vc1_parse_sprites(v, gb, &sd);
if (!s->current_picture.f.data[0]) {
av_log(avctx, AV_LOG_ERROR, "Got no sprites\n");
return -1;
}
if (v->two_sprites && (!s->last_picture_ptr || !s->last_picture.f.data[0])) {
av_log(avctx, AV_LOG_WARNING, "Need two sprites, only got one\n");
v->two_sprites = 0;
}
if (v->sprite_output_frame.data[0])
avctx->release_buffer(avctx, &v->sprite_output_frame);
v->sprite_output_frame.buffer_hints = FF_BUFFER_HINTS_VALID;
v->sprite_output_frame.reference = 0;
if (avctx->get_buffer(avctx, &v->sprite_output_frame) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
vc1_draw_sprites(v, &sd);
return 0;
}
static void vc1_sprite_flush(AVCodecContext *avctx)
{
VC1Context *v = avctx->priv_data;
MpegEncContext *s = &v->s;
AVFrame *f = &s->current_picture.f;
int plane, i;
/* Windows Media Image codecs have a convergence interval of two keyframes.
Since we can't enforce it, clear to black the missing sprite. This is
wrong but it looks better than doing nothing. */
if (f->data[0])
for (plane = 0; plane < (s->flags&CODEC_FLAG_GRAY ? 1 : 3); plane++)
for (i = 0; i < v->sprite_height>>!!plane; i++)
memset(f->data[plane]+i*f->linesize[plane],
plane ? 128 : 0, f->linesize[plane]);
}
#endif
/** Initialize a VC1/WMV3 decoder
* @todo TODO: Handle VC-1 IDUs (Transport level?)
* @todo TODO: Decypher remaining bits in extra_data
@ -3399,6 +3562,10 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
GetBitContext gb;
int i, cur_width, cur_height;
/* save the container output size for WMImage */
v->output_width = avctx->width;
v->output_height = avctx->height;
if (!avctx->extradata_size || !avctx->extradata) return -1;
if (!(avctx->flags & CODEC_FLAG_GRAY))
avctx->pix_fmt = avctx->get_format(avctx, avctx->codec->pix_fmts);
@ -3420,7 +3587,7 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
cur_width = avctx->coded_width;
cur_height = avctx->coded_height;
if (avctx->codec_id == CODEC_ID_WMV3)
if (avctx->codec_id == CODEC_ID_WMV3 || avctx->codec_id == CODEC_ID_WMV3IMAGE)
{
int count = 0;
@ -3560,6 +3727,25 @@ static av_cold int vc1_decode_init(AVCodecContext *avctx)
}
ff_intrax8_common_init(&v->x8,s);
if (avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE) {
for (i = 0; i < 4; i++)
if (!(v->sr_rows[i>>1][i%2] = av_malloc(v->output_width))) return -1;
s->low_delay = 1;
v->sprite_width = avctx->coded_width;
v->sprite_height = avctx->coded_height;
avctx->coded_width = avctx->width = v->output_width;
avctx->coded_height = avctx->height = v->output_height;
// prevent 16.16 overflows
if (v->sprite_width > 1<<14 ||
v->sprite_height > 1<<14 ||
v->output_width > 1<<14 ||
v->output_height > 1<<14) return -1;
}
return 0;
}
@ -3612,7 +3798,7 @@ static int vc1_decode_frame(AVCodecContext *avctx,
}
//for advanced profile we may need to parse and unescape data
if (avctx->codec_id == CODEC_ID_VC1) {
if (avctx->codec_id == CODEC_ID_VC1 || avctx->codec_id == CODEC_ID_VC1IMAGE) {
int buf_size2 = 0;
buf2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
@ -3677,8 +3863,19 @@ static int vc1_decode_frame(AVCodecContext *avctx,
if (v->res_sprite) {
v->new_sprite = !get_bits1(&s->gb);
v->two_sprites = get_bits1(&s->gb);
if (!v->new_sprite)
goto end;
/* res_sprite means a Windows Media Image stream, CODEC_ID_*IMAGE means
we're using the sprite compositor. These are intentionally kept separate
so you can get the raw sprites by using the wmv3 decoder for WMVP or
the vc1 one for WVP2 */
if (avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE) {
if (v->new_sprite) {
// switch AVCodecContext parameters to those of the sprites
avctx->width = avctx->coded_width = v->sprite_width;
avctx->height = avctx->coded_height = v->sprite_height;
} else {
goto image;
}
}
}
// do parse frame header
@ -3692,8 +3889,10 @@ static int vc1_decode_frame(AVCodecContext *avctx,
}
}
if (v->res_sprite && s->pict_type!=AV_PICTURE_TYPE_I) {
av_log(v->s.avctx, AV_LOG_WARNING, "Sprite decoder: expected I-frame\n");
if ((avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE)
&& s->pict_type!=AV_PICTURE_TYPE_I) {
av_log(v->s.avctx, AV_LOG_ERROR, "Sprite decoder: expected I-frame\n");
goto err;
}
s->current_picture_ptr->f.repeat_pict = 0;
@ -3765,6 +3964,19 @@ static int vc1_decode_frame(AVCodecContext *avctx,
assert(s->current_picture.f.pict_type == s->current_picture_ptr->f.pict_type);
assert(s->current_picture.f.pict_type == s->pict_type);
if (avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE) {
image:
avctx->width = avctx->coded_width = v->output_width;
avctx->height = avctx->coded_height = v->output_height;
if (avctx->skip_frame >= AVDISCARD_NONREF) goto end;
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
if (vc1_decode_sprites(v, &s->gb)) goto err;
#endif
*pict = v->sprite_output_frame;
*data_size = sizeof(AVFrame);
} else {
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
@ -3776,9 +3988,9 @@ assert(s->current_picture.f.pict_type == s->pict_type);
ff_print_debug_info(s, pict);
}
}
end:
if (v->res_sprite)
vc1_parse_sprites(v, &s->gb);
av_free(buf2);
for (i = 0; i < n_slices; i++)
av_free(slices[i].buf);
@ -3800,7 +4012,13 @@ err:
static av_cold int vc1_decode_end(AVCodecContext *avctx)
{
VC1Context *v = avctx->priv_data;
int i;
if ((avctx->codec_id == CODEC_ID_WMV3IMAGE || avctx->codec_id == CODEC_ID_VC1IMAGE)
&& v->sprite_output_frame.data[0])
avctx->release_buffer(avctx, &v->sprite_output_frame);
for (i = 0; i < 4; i++)
av_freep(&v->sr_rows[i>>1][i%2]);
av_freep(&v->hrd_rate);
av_freep(&v->hrd_buffer);
MPV_common_end(&v->s);
@ -3887,3 +4105,35 @@ AVCodec ff_vc1_vdpau_decoder = {
.profiles = NULL_IF_CONFIG_SMALL(profiles)
};
#endif
#if CONFIG_WMV3IMAGE_DECODER
AVCodec ff_wmv3image_decoder = {
.name = "wmv3image",
.type = AVMEDIA_TYPE_VIDEO,
.id = CODEC_ID_WMV3IMAGE,
.priv_data_size = sizeof(VC1Context),
.init = vc1_decode_init,
.close = vc1_decode_end,
.decode = vc1_decode_frame,
.capabilities = CODEC_CAP_DR1,
.flush = vc1_sprite_flush,
.long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 Image"),
.pix_fmts = ff_pixfmt_list_420
};
#endif
#if CONFIG_VC1IMAGE_DECODER
AVCodec ff_vc1image_decoder = {
.name = "vc1image",
.type = AVMEDIA_TYPE_VIDEO,
.id = CODEC_ID_VC1IMAGE,
.priv_data_size = sizeof(VC1Context),
.init = vc1_decode_init,
.close = vc1_decode_end,
.decode = vc1_decode_frame,
.capabilities = CODEC_CAP_DR1,
.flush = vc1_sprite_flush,
.long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9 Image v2"),
.pix_fmts = ff_pixfmt_list_420
};
#endif

68
libavcodec/vc1dsp.c
View File

@ -713,6 +713,66 @@ static void avg_no_rnd_vc1_chroma_mc8_c(uint8_t *dst/*align 8*/, uint8_t *src/*a
}
}
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
static void sprite_h_c(uint8_t *dst, const uint8_t *src, int offset, int advance, int count)
{
while (count--) {
int a = src[(offset >> 16) ];
int b = src[(offset >> 16) + 1];
*dst++ = a + ((b - a) * (offset&0xFFFF) >> 16);
offset += advance;
}
}
static av_always_inline void sprite_v_template(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
int two_sprites, const uint8_t *src2a, const uint8_t *src2b, int offset2,
int alpha, int scaled, int width)
{
int a1, b1, a2, b2;
while (width--) {
a1 = *src1a++;
if (scaled) {
b1 = *src1b++;
a1 = a1 + ((b1 - a1) * offset1 >> 16);
}
if (two_sprites) {
a2 = *src2a++;
if (scaled > 1) {
b2 = *src2b++;
a2 = a2 + ((b2 - a2) * offset2 >> 16);
}
a1 = a1 + ((a2 - a1) * alpha >> 16);
}
*dst++ = a1;
}
}
static void sprite_v_single_c(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width)
{
sprite_v_template(dst, src1a, src1b, offset, 0, NULL, NULL, 0, 0, 1, width);
}
static void sprite_v_double_noscale_c(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width)
{
sprite_v_template(dst, src1a, NULL, 0, 1, src2a, NULL, 0, alpha, 0, width);
}
static void sprite_v_double_onescale_c(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
const uint8_t *src2a, int alpha, int width)
{
sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, NULL, 0, alpha, 1, width);
}
static void sprite_v_double_twoscale_c(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
const uint8_t *src2a, const uint8_t *src2b, int offset2,
int alpha, int width)
{
sprite_v_template(dst, src1a, src1b, offset1, 1, src2a, src2b, offset2, alpha, 2, width);
}
#endif
av_cold void ff_vc1dsp_init(VC1DSPContext* dsp) {
dsp->vc1_inv_trans_8x8 = vc1_inv_trans_8x8_c;
dsp->vc1_inv_trans_4x8 = vc1_inv_trans_4x8_c;
@ -770,6 +830,14 @@ av_cold void ff_vc1dsp_init(VC1DSPContext* dsp) {
dsp->put_no_rnd_vc1_chroma_pixels_tab[0]= put_no_rnd_vc1_chroma_mc8_c;
dsp->avg_no_rnd_vc1_chroma_pixels_tab[0]= avg_no_rnd_vc1_chroma_mc8_c;
#if CONFIG_WMV3IMAGE_DECODER || CONFIG_VC1IMAGE_DECODER
dsp->sprite_h = sprite_h_c;
dsp->sprite_v_single = sprite_v_single_c;
dsp->sprite_v_double_noscale = sprite_v_double_noscale_c;
dsp->sprite_v_double_onescale = sprite_v_double_onescale_c;
dsp->sprite_v_double_twoscale = sprite_v_double_twoscale_c;
#endif
if (HAVE_ALTIVEC)
ff_vc1dsp_init_altivec(dsp);
if (HAVE_MMX)

10
libavcodec/vc1dsp.h
View File

@ -60,6 +60,16 @@ typedef struct VC1DSPContext {
/* This is really one func used in VC-1 decoding */
h264_chroma_mc_func put_no_rnd_vc1_chroma_pixels_tab[3];
h264_chroma_mc_func avg_no_rnd_vc1_chroma_pixels_tab[3];
/* Windows Media Image functions */
void (*sprite_h)(uint8_t *dst, const uint8_t *src, int offset, int advance, int count);
void (*sprite_v_single)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset, int width);
void (*sprite_v_double_noscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src2a, int alpha, int width);
void (*sprite_v_double_onescale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
const uint8_t *src2a, int alpha, int width);
void (*sprite_v_double_twoscale)(uint8_t *dst, const uint8_t *src1a, const uint8_t *src1b, int offset1,
const uint8_t *src2a, const uint8_t *src2b, int offset2,
int alpha, int width);
} VC1DSPContext;
void ff_vc1dsp_init(VC1DSPContext* c);

2
libavcodec/version.h
View File

@ -21,7 +21,7 @@
#define AVCODEC_VERSION_H
#define LIBAVCODEC_VERSION_MAJOR 53
#define LIBAVCODEC_VERSION_MINOR 11
#define LIBAVCODEC_VERSION_MINOR 12
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

4
libavformat/riff.c
View File

@ -241,10 +241,10 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ CODEC_ID_QPEG, MKTAG('Q', '1', '.', '0') },
{ CODEC_ID_QPEG, MKTAG('Q', '1', '.', '1') },
{ CODEC_ID_WMV3, MKTAG('W', 'M', 'V', '3') },
{ CODEC_ID_WMV3, MKTAG('W', 'M', 'V', 'P') },
{ CODEC_ID_WMV3IMAGE, MKTAG('W', 'M', 'V', 'P') },
{ CODEC_ID_VC1, MKTAG('W', 'V', 'C', '1') },
{ CODEC_ID_VC1, MKTAG('W', 'M', 'V', 'A') },
{ CODEC_ID_VC1, MKTAG('W', 'V', 'P', '2') },
{ CODEC_ID_VC1IMAGE, MKTAG('W', 'V', 'P', '2') },
{ CODEC_ID_LOCO, MKTAG('L', 'O', 'C', 'O') },
{ CODEC_ID_WNV1, MKTAG('W', 'N', 'V', '1') },
{ CODEC_ID_AASC, MKTAG('A', 'A', 'S', 'C') },