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Merge remote-tracking branch 'qatar/master'

Browse Source 
* qatar/master:
  vsrc_buffer: fix check from 7ae7c41.
  libxvid: Reorder functions to avoid forward declarations; make functions static.
  libxvid: drop some pointless dead code
  wmal: vertical alignment cosmetics
  wmal: Warn about missing bitstream splicing feature and ask for sample.
  wmal: Skip seekable_frame_in_packet.
  wmal: Drop unused variable num_possible_block_size.
  avfiltergraph: make the AVFilterInOut alloc/free API public
  graphparser: allow specifying sws flags in the graph description.
  graphparser: fix the order of connecting unlabeled links.
  graphparser: add avfilter_graph_parse2().
  vsrc_buffer: allow using a NULL buffer to signal EOF.
  swscale: handle last pixel if lines have an odd width.
  qdm2: fix a dubious pointer cast
  WMAL: Do not try to read rawpcm coefficients if bits is invalid
  mov: Fix detecting there is no sync sample.
  tiffdec: K&R cosmetics
  avf: has_duration does not check the global one
  dsputil: fix optimized emu_edge function on Win64.

Conflicts:
	doc/APIchanges
	libavcodec/libxvid_rc.c
	libavcodec/libxvidff.c
	libavcodec/tiff.c
	libavcodec/wmalosslessdec.c
	libavfilter/avfiltergraph.h
	libavfilter/graphparser.c
	libavfilter/version.h
	libavfilter/vsrc_buffer.c
	libswscale/output.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-04-14 21:49:01 +02:00
commit 7432bcfe5a
18 changed files with 730 additions and 439 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
doc/APIchanges
View File

@ -19,6 +19,9 @@ API changes, most recent first:
2012-03-26 - a67d9cf - lavfi 2.66.100
Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
2012-xx-xx - xxxxxxx - lavfi 2.16.0 - avfiltergraph.h
Add avfilter_graph_parse2()
2012-xx-xx - xxxxxxx - lavu 51.27.0 - samplefmt.h
Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()

8
doc/filters.texi
View File

@ -76,6 +76,12 @@ In a complete filterchain all the unlabelled filter input and output
pads must be connected. A filtergraph is considered valid if all the
filter input and output pads of all the filterchains are connected.
Libavfilter will automatically insert scale filters where format
conversion is required. It is possible to specify swscale flags
for those automatically inserted scalers by prepending
@code{sws_flags=@var{flags};}
to the filtergraph description.
Follows a BNF description for the filtergraph syntax:
@example
@var{NAME} ::= sequence of alphanumeric characters and '_'
@ -84,7 +90,7 @@ Follows a BNF description for the filtergraph syntax:
@var{FILTER_ARGUMENTS} ::= sequence of chars (eventually quoted)
@var{FILTER} ::= [@var{LINKNAMES}] @var{NAME} ["=" @var{ARGUMENTS}] [@var{LINKNAMES}]
@var{FILTERCHAIN} ::= @var{FILTER} [,@var{FILTERCHAIN}]
@var{FILTERGRAPH} ::= @var{FILTERCHAIN} [;@var{FILTERGRAPH}]
@var{FILTERGRAPH} ::= [sws_flags=@var{flags};] @var{FILTERCHAIN} [;@var{FILTERGRAPH}]
@end example
@c man end FILTERGRAPH DESCRIPTION

5
libavcodec/libxvid_rc.c
View File

@ -31,16 +31,12 @@
#undef NDEBUG
#include <assert.h>
extern unsigned int xvid_debug;
int ff_xvid_rate_control_init(MpegEncContext *s){
char *tmp_name;
int fd, i;
xvid_plg_create_t xvid_plg_create = { 0 };
xvid_plugin_2pass2_t xvid_2pass2 = { 0 };
//xvid_debug=-1;
fd=av_tempfile("xvidrc.", &tmp_name, 0, s->avctx);
if (fd == -1) {
av_log(NULL, AV_LOG_ERROR, "Can't create temporary pass2 file.\n");
@ -58,7 +54,6 @@ int ff_xvid_rate_control_init(MpegEncContext *s){
frame_types[rce->pict_type], (int)lrintf(rce->qscale / FF_QP2LAMBDA), rce->i_count, s->mb_num - rce->i_count - rce->skip_count,
rce->skip_count, (rce->i_tex_bits + rce->p_tex_bits + rce->misc_bits+7)/8, (rce->header_bits+rce->mv_bits+7)/8);
//av_log(NULL, AV_LOG_ERROR, "%s\n", tmp);
if (write(fd, tmp, strlen(tmp)) < 0) {
av_log(NULL, AV_LOG_ERROR, "Error %s writing 2pass logfile\n", strerror(errno));
return AVERROR(errno);

541
libavcodec/libxvidff.c
View File

@ -72,12 +72,277 @@ struct xvid_ff_pass1 {
struct xvid_context *context; /**< Pointer to private context */
};
/* Prototypes - See function implementation for details */
int xvid_strip_vol_header(AVCodecContext *avctx, AVPacket *pkt, unsigned int header_len, unsigned int frame_len);
int xvid_ff_2pass(void *ref, int opt, void *p1, void *p2);
void xvid_correct_framerate(AVCodecContext *avctx);
/*
* Xvid 2-Pass Kludge Section
*
* Xvid's default 2-pass doesn't allow us to create data as we need to, so
* this section spends time replacing the first pass plugin so we can write
* statistic information as libavcodec requests in. We have another kludge
* that allows us to pass data to the second pass in Xvid without a custom
* rate-control plugin.
*/
/**
* Initialize the two-pass plugin and context.
*
* @param param Input construction parameter structure
* @param handle Private context handle
* @return Returns XVID_ERR_xxxx on failure, or 0 on success.
*/
static int xvid_ff_2pass_create(xvid_plg_create_t * param,
void ** handle) {
struct xvid_ff_pass1 *x = (struct xvid_ff_pass1 *)param->param;
char *log = x->context->twopassbuffer;
/* Do a quick bounds check */
if( log == NULL )
return XVID_ERR_FAIL;
/* We use snprintf() */
/* This is because we can safely prevent a buffer overflow */
log[0] = 0;
snprintf(log, BUFFER_REMAINING(log),
"# ffmpeg 2-pass log file, using xvid codec\n");
snprintf(BUFFER_CAT(log), BUFFER_REMAINING(log),
"# Do not modify. libxvidcore version: %d.%d.%d\n\n",
XVID_VERSION_MAJOR(XVID_VERSION),
XVID_VERSION_MINOR(XVID_VERSION),
XVID_VERSION_PATCH(XVID_VERSION));
*handle = x->context;
return 0;
}
/**
* Destroy the two-pass plugin context.
*
* @param ref Context pointer for the plugin
* @param param Destrooy context
* @return Returns 0, success guaranteed
*/
static int xvid_ff_2pass_destroy(struct xvid_context *ref,
xvid_plg_destroy_t *param) {
/* Currently cannot think of anything to do on destruction */
/* Still, the framework should be here for reference/use */
if( ref->twopassbuffer != NULL )
ref->twopassbuffer[0] = 0;
return 0;
}
/**
* Enable fast encode mode during the first pass.
*
* @param ref Context pointer for the plugin
* @param param Frame data
* @return Returns 0, success guaranteed
*/
static int xvid_ff_2pass_before(struct xvid_context *ref,
xvid_plg_data_t *param) {
int motion_remove;
int motion_replacements;
int vop_remove;
/* Nothing to do here, result is changed too much */
if( param->zone && param->zone->mode == XVID_ZONE_QUANT )
return 0;
/* We can implement a 'turbo' first pass mode here */
param->quant = 2;
/* Init values */
motion_remove = ~XVID_ME_CHROMA_PVOP &
~XVID_ME_CHROMA_BVOP &
~XVID_ME_EXTSEARCH16 &
~XVID_ME_ADVANCEDDIAMOND16;
motion_replacements = XVID_ME_FAST_MODEINTERPOLATE |
XVID_ME_SKIP_DELTASEARCH |
XVID_ME_FASTREFINE16 |
XVID_ME_BFRAME_EARLYSTOP;
vop_remove = ~XVID_VOP_MODEDECISION_RD &
~XVID_VOP_FAST_MODEDECISION_RD &
~XVID_VOP_TRELLISQUANT &
~XVID_VOP_INTER4V &
~XVID_VOP_HQACPRED;
param->vol_flags &= ~XVID_VOL_GMC;
param->vop_flags &= vop_remove;
param->motion_flags &= motion_remove;
param->motion_flags |= motion_replacements;
return 0;
}
/**
* Capture statistic data and write it during first pass.
*
* @param ref Context pointer for the plugin
* @param param Statistic data
* @return Returns XVID_ERR_xxxx on failure, or 0 on success
*/
static int xvid_ff_2pass_after(struct xvid_context *ref,
xvid_plg_data_t *param) {
char *log = ref->twopassbuffer;
const char *frame_types = " ipbs";
char frame_type;
/* Quick bounds check */
if( log == NULL )
return XVID_ERR_FAIL;
/* Convert the type given to us into a character */
if( param->type < 5 && param->type > 0 ) {
frame_type = frame_types[param->type];
} else {
return XVID_ERR_FAIL;
}
snprintf(BUFFER_CAT(log), BUFFER_REMAINING(log),
"%c %d %d %d %d %d %d\n",
frame_type, param->stats.quant, param->stats.kblks, param->stats.mblks,
param->stats.ublks, param->stats.length, param->stats.hlength);
return 0;
}
/**
* Dispatch function for our custom plugin.
* This handles the dispatch for the Xvid plugin. It passes data
* on to other functions for actual processing.
*
* @param ref Context pointer for the plugin
* @param cmd The task given for us to complete
* @param p1 First parameter (varies)
* @param p2 Second parameter (varies)
* @return Returns XVID_ERR_xxxx on failure, or 0 on success
*/
static int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2)
{
switch( cmd ) {
case XVID_PLG_INFO:
case XVID_PLG_FRAME:
return 0;
case XVID_PLG_BEFORE:
return xvid_ff_2pass_before(ref, p1);
case XVID_PLG_CREATE:
return xvid_ff_2pass_create(p1, p2);
case XVID_PLG_AFTER:
return xvid_ff_2pass_after(ref, p1);
case XVID_PLG_DESTROY:
return xvid_ff_2pass_destroy(ref, p1);
default:
return XVID_ERR_FAIL;
}
}
/**
* Routine to create a global VO/VOL header for MP4 container.
* What we do here is extract the header from the Xvid bitstream
* as it is encoded. We also strip the repeated headers from the
* bitstream when a global header is requested for MPEG-4 ISO
* compliance.
*
* @param avctx AVCodecContext pointer to context
* @param frame Pointer to encoded frame data
* @param header_len Length of header to search
* @param frame_len Length of encoded frame data
* @return Returns new length of frame data
*/
static int xvid_strip_vol_header(AVCodecContext *avctx,
AVPacket *pkt,
unsigned int header_len,
unsigned int frame_len) {
int vo_len = 0, i;
for( i = 0; i < header_len - 3; i++ ) {
if( pkt->data[i] == 0x00 &&
pkt->data[i+1] == 0x00 &&
pkt->data[i+2] == 0x01 &&
pkt->data[i+3] == 0xB6 ) {
vo_len = i;
break;
}
}
if( vo_len > 0 ) {
/* We need to store the header, so extract it */
if( avctx->extradata == NULL ) {
avctx->extradata = av_malloc(vo_len);
memcpy(avctx->extradata, pkt->data, vo_len);
avctx->extradata_size = vo_len;
}
/* Less dangerous now, memmove properly copies the two
chunks of overlapping data */
memmove(pkt->data, &pkt->data[vo_len], frame_len - vo_len);
pkt->size = frame_len - vo_len;
}
return 0;
}
/**
* Routine to correct a possibly erroneous framerate being fed to us.
* Xvid currently chokes on framerates where the ticks per frame is
* extremely large. This function works to correct problems in this area
* by estimating a new framerate and taking the simpler fraction of
* the two presented.
*
* @param avctx Context that contains the framerate to correct.
*/
static void xvid_correct_framerate(AVCodecContext *avctx)
{
int frate, fbase;
int est_frate, est_fbase;
int gcd;
float est_fps, fps;
frate = avctx->time_base.den;
fbase = avctx->time_base.num;
gcd = av_gcd(frate, fbase);
if( gcd > 1 ) {
frate /= gcd;
fbase /= gcd;
}
if( frate <= 65000 && fbase <= 65000 ) {
avctx->time_base.den = frate;
avctx->time_base.num = fbase;
return;
}
fps = (float)frate / (float)fbase;
est_fps = roundf(fps * 1000.0) / 1000.0;
est_frate = (int)est_fps;
if( est_fps > (int)est_fps ) {
est_frate = (est_frate + 1) * 1000;
est_fbase = (int)roundf((float)est_frate / est_fps);
} else
est_fbase = 1;
gcd = av_gcd(est_frate, est_fbase);
if( gcd > 1 ) {
est_frate /= gcd;
est_fbase /= gcd;
}
if( fbase > est_fbase ) {
avctx->time_base.den = est_frate;
avctx->time_base.num = est_fbase;
av_log(avctx, AV_LOG_DEBUG,
"Xvid: framerate re-estimated: %.2f, %.3f%% correction\n",
est_fps, (((est_fps - fps)/fps) * 100.0));
} else {
avctx->time_base.den = frate;
avctx->time_base.num = fbase;
}
}
/**
* Create the private context for the encoder.
* All buffers are allocated, settings are loaded from the user,
@ -508,274 +773,6 @@ static av_cold int xvid_encode_close(AVCodecContext *avctx) {
return 0;
}
/**
* Routine to create a global VO/VOL header for MP4 container.
* What we do here is extract the header from the Xvid bitstream
* as it is encoded. We also strip the repeated headers from the
* bitstream when a global header is requested for MPEG-4 ISO
* compliance.
*
* @param avctx AVCodecContext pointer to context
* @param frame Pointer to encoded frame data
* @param header_len Length of header to search
* @param frame_len Length of encoded frame data
* @return Returns new length of frame data
*/
int xvid_strip_vol_header(AVCodecContext *avctx,
AVPacket *pkt,
unsigned int header_len,
unsigned int frame_len) {
int vo_len = 0, i;
for( i = 0; i < header_len - 3; i++ ) {
if( pkt->data[i] == 0x00 &&
pkt->data[i+1] == 0x00 &&
pkt->data[i+2] == 0x01 &&
pkt->data[i+3] == 0xB6 ) {
vo_len = i;
break;
}
}
if( vo_len > 0 ) {
/* We need to store the header, so extract it */
if( avctx->extradata == NULL ) {
avctx->extradata = av_malloc(vo_len);
memcpy(avctx->extradata, pkt->data, vo_len);
avctx->extradata_size = vo_len;
}
/* Less dangerous now, memmove properly copies the two
chunks of overlapping data */
memmove(pkt->data, &pkt->data[vo_len], frame_len - vo_len);
pkt->size = frame_len - vo_len;
}
return 0;
}
/**
* Routine to correct a possibly erroneous framerate being fed to us.
* Xvid currently chokes on framerates where the ticks per frame is
* extremely large. This function works to correct problems in this area
* by estimating a new framerate and taking the simpler fraction of
* the two presented.
*
* @param avctx Context that contains the framerate to correct.
*/
void xvid_correct_framerate(AVCodecContext *avctx) {
int frate, fbase;
int est_frate, est_fbase;
int gcd;
float est_fps, fps;
frate = avctx->time_base.den;
fbase = avctx->time_base.num;
gcd = av_gcd(frate, fbase);
if( gcd > 1 ) {
frate /= gcd;
fbase /= gcd;
}
if( frate <= 65000 && fbase <= 65000 ) {
avctx->time_base.den = frate;
avctx->time_base.num = fbase;
return;
}
fps = (float)frate / (float)fbase;
est_fps = roundf(fps * 1000.0) / 1000.0;
est_frate = (int)est_fps;
if( est_fps > (int)est_fps ) {
est_frate = (est_frate + 1) * 1000;
est_fbase = (int)roundf((float)est_frate / est_fps);
} else
est_fbase = 1;
gcd = av_gcd(est_frate, est_fbase);
if( gcd > 1 ) {
est_frate /= gcd;
est_fbase /= gcd;
}
if( fbase > est_fbase ) {
avctx->time_base.den = est_frate;
avctx->time_base.num = est_fbase;
av_log(avctx, AV_LOG_DEBUG,
"Xvid: framerate re-estimated: %.2f, %.3f%% correction\n",
est_fps, (((est_fps - fps)/fps) * 100.0));
} else {
avctx->time_base.den = frate;
avctx->time_base.num = fbase;
}
}
/*
* Xvid 2-Pass Kludge Section
*
* Xvid's default 2-pass doesn't allow us to create data as we need to, so
* this section spends time replacing the first pass plugin so we can write
* statistic information as libavcodec requests in. We have another kludge
* that allows us to pass data to the second pass in Xvid without a custom
* rate-control plugin.
*/
/**
* Initialize the two-pass plugin and context.
*
* @param param Input construction parameter structure
* @param handle Private context handle
* @return Returns XVID_ERR_xxxx on failure, or 0 on success.
*/
static int xvid_ff_2pass_create(xvid_plg_create_t * param,
void ** handle) {
struct xvid_ff_pass1 *x = (struct xvid_ff_pass1 *)param->param;
char *log = x->context->twopassbuffer;
/* Do a quick bounds check */
if( log == NULL )
return XVID_ERR_FAIL;
/* We use snprintf() */
/* This is because we can safely prevent a buffer overflow */
log[0] = 0;
snprintf(log, BUFFER_REMAINING(log),
"# ffmpeg 2-pass log file, using xvid codec\n");
snprintf(BUFFER_CAT(log), BUFFER_REMAINING(log),
"# Do not modify. libxvidcore version: %d.%d.%d\n\n",
XVID_VERSION_MAJOR(XVID_VERSION),
XVID_VERSION_MINOR(XVID_VERSION),
XVID_VERSION_PATCH(XVID_VERSION));
*handle = x->context;
return 0;
}
/**
* Destroy the two-pass plugin context.
*
* @param ref Context pointer for the plugin
* @param param Destrooy context
* @return Returns 0, success guaranteed
*/
static int xvid_ff_2pass_destroy(struct xvid_context *ref,
xvid_plg_destroy_t *param) {
/* Currently cannot think of anything to do on destruction */
/* Still, the framework should be here for reference/use */
if( ref->twopassbuffer != NULL )
ref->twopassbuffer[0] = 0;
return 0;
}
/**
* Enable fast encode mode during the first pass.
*
* @param ref Context pointer for the plugin
* @param param Frame data
* @return Returns 0, success guaranteed
*/
static int xvid_ff_2pass_before(struct xvid_context *ref,
xvid_plg_data_t *param) {
int motion_remove;
int motion_replacements;
int vop_remove;
/* Nothing to do here, result is changed too much */
if( param->zone && param->zone->mode == XVID_ZONE_QUANT )
return 0;
/* We can implement a 'turbo' first pass mode here */
param->quant = 2;
/* Init values */
motion_remove = ~XVID_ME_CHROMA_PVOP &
~XVID_ME_CHROMA_BVOP &
~XVID_ME_EXTSEARCH16 &
~XVID_ME_ADVANCEDDIAMOND16;
motion_replacements = XVID_ME_FAST_MODEINTERPOLATE |
XVID_ME_SKIP_DELTASEARCH |
XVID_ME_FASTREFINE16 |
XVID_ME_BFRAME_EARLYSTOP;
vop_remove = ~XVID_VOP_MODEDECISION_RD &
~XVID_VOP_FAST_MODEDECISION_RD &
~XVID_VOP_TRELLISQUANT &
~XVID_VOP_INTER4V &
~XVID_VOP_HQACPRED;
param->vol_flags &= ~XVID_VOL_GMC;
param->vop_flags &= vop_remove;
param->motion_flags &= motion_remove;
param->motion_flags |= motion_replacements;
return 0;
}
/**
* Capture statistic data and write it during first pass.
*
* @param ref Context pointer for the plugin
* @param param Statistic data
* @return Returns XVID_ERR_xxxx on failure, or 0 on success
*/
static int xvid_ff_2pass_after(struct xvid_context *ref,
xvid_plg_data_t *param) {
char *log = ref->twopassbuffer;
const char *frame_types = " ipbs";
char frame_type;
/* Quick bounds check */
if( log == NULL )
return XVID_ERR_FAIL;
/* Convert the type given to us into a character */
if( param->type < 5 && param->type > 0 ) {
frame_type = frame_types[param->type];
} else {
return XVID_ERR_FAIL;
}
snprintf(BUFFER_CAT(log), BUFFER_REMAINING(log),
"%c %d %d %d %d %d %d\n",
frame_type, param->stats.quant, param->stats.kblks, param->stats.mblks,
param->stats.ublks, param->stats.length, param->stats.hlength);
return 0;
}
/**
* Dispatch function for our custom plugin.
* This handles the dispatch for the Xvid plugin. It passes data
* on to other functions for actual processing.
*
* @param ref Context pointer for the plugin
* @param cmd The task given for us to complete
* @param p1 First parameter (varies)
* @param p2 Second parameter (varies)
* @return Returns XVID_ERR_xxxx on failure, or 0 on success
*/
int xvid_ff_2pass(void *ref, int cmd, void *p1, void *p2) {
switch( cmd ) {
case XVID_PLG_INFO:
case XVID_PLG_FRAME:
return 0;
case XVID_PLG_BEFORE:
return xvid_ff_2pass_before(ref, p1);
case XVID_PLG_CREATE:
return xvid_ff_2pass_create(p1, p2);
case XVID_PLG_AFTER:
return xvid_ff_2pass_after(ref, p1);
case XVID_PLG_DESTROY:
return xvid_ff_2pass_destroy(ref, p1);
default:
return XVID_ERR_FAIL;
}
}
/**
* Xvid codec definition for libavcodec.
*/

11
libavcodec/qdm2.c
View File

@ -140,7 +140,6 @@ typedef struct {
/// Parameters built from header parameters, do not change during playback
int group_order; ///< order of frame group
int fft_order; ///< order of FFT (actually fftorder+1)
int fft_frame_size; ///< size of fft frame, in components (1 comples = re + im)
int frame_size; ///< size of data frame
int frequency_range;
int sub_sampling; ///< subsampling: 0=25%, 1=50%, 2=100% */
@ -1607,13 +1606,17 @@ static void qdm2_fft_tone_synthesizer (QDM2Context *q, int sub_packet)
static void qdm2_calculate_fft (QDM2Context *q, int channel, int sub_packet)
{
const float gain = (q->channels == 1 && q->nb_channels == 2) ? 0.5f : 1.0f;
float *out = q->output_buffer + channel;
int i;
q->fft.complex[channel][0].re *= 2.0f;
q->fft.complex[channel][0].im = 0.0f;
q->rdft_ctx.rdft_calc(&q->rdft_ctx, (FFTSample *)q->fft.complex[channel]);
/* add samples to output buffer */
for (i = 0; i < ((q->fft_frame_size + 15) & ~15); i++)
q->output_buffer[q->channels * i + channel] += ((float *) q->fft.complex[channel])[i] * gain;
for (i = 0; i < FFALIGN(q->fft_size, 8); i++) {
out[0] += q->fft.complex[channel][i].re * gain;
out[q->channels] += q->fft.complex[channel][i].im * gain;
out += 2 * q->channels;
}
}
@ -1688,7 +1691,6 @@ static void dump_context(QDM2Context *q)
PRINT("checksum_size",q->checksum_size);
PRINT("channels",q->channels);
PRINT("nb_channels",q->nb_channels);
PRINT("fft_frame_size",q->fft_frame_size);
PRINT("fft_size",q->fft_size);
PRINT("sub_sampling",q->sub_sampling);
PRINT("fft_order",q->fft_order);
@ -1843,7 +1845,6 @@ static av_cold int qdm2_decode_init(AVCodecContext *avctx)
}
s->fft_order = av_log2(s->fft_size) + 1;
s->fft_frame_size = 2 * s->fft_size; // complex has two floats
// something like max decodable tones
s->group_order = av_log2(s->group_size) + 1;

253
libavcodec/tiff.c
View File

@ -52,35 +52,39 @@ typedef struct TiffContext {
int strips, rps, sstype;
int sot;
const uint8_t* stripdata;
const uint8_t* stripsizes;
const uint8_t *stripdata;
const uint8_t *stripsizes;
int stripsize, stripoff;
LZWState *lzw;
} TiffContext;
static unsigned tget_short(const uint8_t **p, int le) {
static unsigned tget_short(const uint8_t **p, int le)
{
unsigned v = le ? AV_RL16(*p) : AV_RB16(*p);
*p += 2;
return v;
}
static unsigned tget_long(const uint8_t **p, int le) {
static unsigned tget_long(const uint8_t **p, int le)
{
unsigned v = le ? AV_RL32(*p) : AV_RB32(*p);
*p += 4;
return v;
}
static unsigned tget(const uint8_t **p, int type, int le) {
switch(type){
static unsigned tget(const uint8_t **p, int type, int le)
{
switch (type) {
case TIFF_BYTE : return *(*p)++;
case TIFF_SHORT: return tget_short(p, le);
case TIFF_LONG : return tget_long (p, le);
case TIFF_LONG : return tget_long(p, le);
default : return UINT_MAX;
}
}
#if CONFIG_ZLIB
static int tiff_uncompress(uint8_t *dst, unsigned long *len, const uint8_t *src, int size)
static int tiff_uncompress(uint8_t *dst, unsigned long *len, const uint8_t *src,
int size)
{
z_stream zstream = { 0 };
int zret;
@ -141,7 +145,9 @@ static void av_always_inline horizontal_fill(unsigned int bpp, uint8_t* dst,
}
}
static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uint8_t *src, int size, int lines){
static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride,
const uint8_t *src, int size, int lines)
{
int c, line, pixels, code;
const uint8_t *ssrc = src;
int width = ((s->width * s->bpp) + 7) >> 3;
@ -150,21 +156,24 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin
return AVERROR_INVALIDDATA;
#if CONFIG_ZLIB
if(s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE){
uint8_t *zbuf; unsigned long outlen;
if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE) {
uint8_t *zbuf;
unsigned long outlen;
int ret;
outlen = width * lines;
zbuf = av_malloc(outlen);
if (!zbuf)
return AVERROR(ENOMEM);
ret = tiff_uncompress(zbuf, &outlen, src, size);
if(ret != Z_OK){
av_log(s->avctx, AV_LOG_ERROR, "Uncompressing failed (%lu of %lu) with error %d\n", outlen, (unsigned long)width * lines, ret);
if (ret != Z_OK) {
av_log(s->avctx, AV_LOG_ERROR,
"Uncompressing failed (%lu of %lu) with error %d\n", outlen,
(unsigned long)width * lines, ret);
av_free(zbuf);
return -1;
}
src = zbuf;
for(line = 0; line < lines; line++){
for (line = 0; line < lines; line++) {
if(s->bpp < 8 && s->avctx->pix_fmt == PIX_FMT_PAL8){
horizontal_fill(s->bpp, dst, 1, src, 0, width, 0);
}else{
@ -177,37 +186,42 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin
return 0;
}
#endif
if(s->compr == TIFF_LZW){
if(ff_lzw_decode_init(s->lzw, 8, src, size, FF_LZW_TIFF) < 0){
if (s->compr == TIFF_LZW) {
if (ff_lzw_decode_init(s->lzw, 8, src, size, FF_LZW_TIFF) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "Error initializing LZW decoder\n");
return -1;
}
}
if(s->compr == TIFF_CCITT_RLE || s->compr == TIFF_G3 || s->compr == TIFF_G4){
if (s->compr == TIFF_CCITT_RLE || s->compr == TIFF_G3
|| s->compr == TIFF_G4) {
int i, ret = 0;
uint8_t *src2 = av_malloc((unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE);
uint8_t *src2 = av_malloc((unsigned)size +
FF_INPUT_BUFFER_PADDING_SIZE);
if (!src2) {
av_log(s->avctx, AV_LOG_ERROR, "Error allocating temporary buffer\n");
av_log(s->avctx, AV_LOG_ERROR,
"Error allocating temporary buffer\n");
return AVERROR(ENOMEM);
}
if(s->fax_opts & 2){
av_log(s->avctx, AV_LOG_ERROR, "Uncompressed fax mode is not supported (yet)\n");
if (s->fax_opts & 2) {
av_log(s->avctx, AV_LOG_ERROR,
"Uncompressed fax mode is not supported (yet)\n");
av_free(src2);
return -1;
}
if(!s->fill_order){
if (!s->fill_order) {
memcpy(src2, src, size);
}else{
for(i = 0; i < size; i++)
} else {
for (i = 0; i < size; i++)
src2[i] = av_reverse[src[i]];
}
memset(src2+size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
switch(s->compr){
memset(src2 + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
switch (s->compr) {
case TIFF_CCITT_RLE:
case TIFF_G3:
case TIFF_G4:
ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride, s->compr, s->fax_opts);
ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride,
s->compr, s->fax_opts);
break;
}
if (s->bpp < 8 && s->avctx->pix_fmt == PIX_FMT_PAL8)
@ -218,12 +232,12 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin
av_free(src2);
return ret;
}
for(line = 0; line < lines; line++){
if(src - ssrc > size){
for (line = 0; line < lines; line++) {
if (src - ssrc > size) {
av_log(s->avctx, AV_LOG_ERROR, "Source data overread\n");
return -1;
}
switch(s->compr){
switch (s->compr) {
case TIFF_RAW:
if (ssrc + size - src < width)
return AVERROR_INVALIDDATA;
@ -238,22 +252,24 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin
src += width;
break;
case TIFF_PACKBITS:
for(pixels = 0; pixels < width;){
code = (int8_t)*src++;
if(code >= 0){
for (pixels = 0; pixels < width;) {
code = (int8_t) * src++;
if (code >= 0) {
code++;
if(pixels + code > width){
av_log(s->avctx, AV_LOG_ERROR, "Copy went out of bounds\n");
if (pixels + code > width) {
av_log(s->avctx, AV_LOG_ERROR,
"Copy went out of bounds\n");
return -1;
}
horizontal_fill(s->bpp * (s->avctx->pix_fmt == PIX_FMT_PAL8),
dst, 1, src, 0, code, pixels);
src += code;
pixels += code;
}else if(code != -128){ // -127..-1
} else if (code != -128) { // -127..-1
code = (-code) + 1;
if(pixels + code > width){
av_log(s->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
if (pixels + code > width) {
av_log(s->avctx, AV_LOG_ERROR,
"Run went out of bounds\n");
return -1;
}
c = *src++;
@ -265,8 +281,9 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin
break;
case TIFF_LZW:
pixels = ff_lzw_decode(s->lzw, dst, width);
if(pixels < width){
av_log(s->avctx, AV_LOG_ERROR, "Decoded only %i bytes of %i\n", pixels, width);
if (pixels < width) {
av_log(s->avctx, AV_LOG_ERROR, "Decoded only %i bytes of %i\n",
pixels, width);
return -1;
}
if (s->bpp < 8 && s->avctx->pix_fmt == PIX_FMT_PAL8)
@ -342,7 +359,8 @@ static int init_image(TiffContext *s)
return 0;
}
static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *buf, const uint8_t *end_buf)
static int tiff_decode_tag(TiffContext *s, const uint8_t *start,
const uint8_t *buf, const uint8_t *end_buf)
{
unsigned tag, type, count, off, value = 0;
int i, j;
@ -357,12 +375,13 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
off = tget_long(&buf, s->le);
if (type == 0 || type >= FF_ARRAY_ELEMS(type_sizes)) {
av_log(s->avctx, AV_LOG_DEBUG, "Unknown tiff type (%u) encountered\n", type);
av_log(s->avctx, AV_LOG_DEBUG, "Unknown tiff type (%u) encountered\n",
type);
return 0;
}
if(count == 1){
switch(type){
if (count == 1) {
switch (type) {
case TIFF_BYTE:
case TIFF_SHORT:
buf -= 4;
@ -374,7 +393,7 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
buf = NULL;
break;
case TIFF_STRING:
if(count <= 4){
if (count <= 4) {
buf -= 4;
break;
}
@ -390,12 +409,13 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
}
}
if(buf && (buf < start || buf > end_buf)){
av_log(s->avctx, AV_LOG_ERROR, "Tag referencing position outside the image\n");
if (buf && (buf < start || buf > end_buf)) {
av_log(s->avctx, AV_LOG_ERROR,
"Tag referencing position outside the image\n");
return -1;
}
switch(tag){
switch (tag) {
case TIFF_WIDTH:
s->width = value;
break;
@ -404,20 +424,25 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
break;
case TIFF_BPP:
s->bppcount = count;
if(count > 4){
av_log(s->avctx, AV_LOG_ERROR, "This format is not supported (bpp=%d, %d components)\n", s->bpp, count);
if (count > 4) {
av_log(s->avctx, AV_LOG_ERROR,
"This format is not supported (bpp=%d, %d components)\n",
s->bpp, count);
return -1;
}
if(count == 1) s->bpp = value;
else{
switch(type){
if (count == 1)
s->bpp = value;
else {
switch (type) {
case TIFF_BYTE:
s->bpp = (off & 0xFF) + ((off >> 8) & 0xFF) + ((off >> 16) & 0xFF) + ((off >> 24) & 0xFF);
s->bpp = (off & 0xFF) + ((off >> 8) & 0xFF) +
((off >> 16) & 0xFF) + ((off >> 24) & 0xFF);
break;
case TIFF_SHORT:
case TIFF_LONG:
s->bpp = 0;
for(i = 0; i < count && buf < end_buf; i++) s->bpp += tget(&buf, type, s->le);
for (i = 0; i < count && buf < end_buf; i++)
s->bpp += tget(&buf, type, s->le);
break;
default:
s->bpp = -1;
@ -437,7 +462,7 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
case TIFF_COMPR:
s->compr = value;
s->predictor = 0;
switch(s->compr){
switch (s->compr) {
case TIFF_RAW:
case TIFF_PACKBITS:
case TIFF_LZW:
@ -457,48 +482,54 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
#endif
case TIFF_JPEG:
case TIFF_NEWJPEG:
av_log(s->avctx, AV_LOG_ERROR, "JPEG compression is not supported\n");
av_log(s->avctx, AV_LOG_ERROR,
"JPEG compression is not supported\n");
return -1;
default:
av_log(s->avctx, AV_LOG_ERROR, "Unknown compression method %i\n", s->compr);
av_log(s->avctx, AV_LOG_ERROR, "Unknown compression method %i\n",
s->compr);
return -1;
}
break;
case TIFF_ROWSPERSTRIP:
if (type == TIFF_LONG && value == UINT_MAX)
value = s->avctx->height;
if(value < 1){
av_log(s->avctx, AV_LOG_ERROR, "Incorrect value of rows per strip\n");
if (value < 1) {
av_log(s->avctx, AV_LOG_ERROR,
"Incorrect value of rows per strip\n");
return -1;
}
s->rps = value;
break;
case TIFF_STRIP_OFFS:
if(count == 1){
if (count == 1) {
s->stripdata = NULL;
s->stripoff = value;
}else
} else
s->stripdata = start + off;
s->strips = count;
if(s->strips == 1) s->rps = s->height;
if (s->strips == 1)
s->rps = s->height;
s->sot = type;
if(s->stripdata > end_buf){
av_log(s->avctx, AV_LOG_ERROR, "Tag referencing position outside the image\n");
if (s->stripdata > end_buf) {
av_log(s->avctx, AV_LOG_ERROR,
"Tag referencing position outside the image\n");
return -1;
}
break;
case TIFF_STRIP_SIZE:
if(count == 1){
if (count == 1) {
s->stripsizes = NULL;
s->stripsize = value;
s->strips = 1;
}else{
} else {
s->stripsizes = start + off;
}
s->strips = count;
s->sstype = type;
if(s->stripsizes > end_buf){
av_log(s->avctx, AV_LOG_ERROR, "Tag referencing position outside the image\n");
if (s->stripsizes > end_buf) {
av_log(s->avctx, AV_LOG_ERROR,
"Tag referencing position outside the image\n");
return -1;
}
break;
@ -513,7 +544,7 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
s->predictor = value;
break;
case TIFF_INVERT:
switch(value){
switch (value) {
case 0:
s->invert = 1;
break;
@ -524,13 +555,15 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
case 3:
break;
default:
av_log(s->avctx, AV_LOG_ERROR, "Color mode %d is not supported\n", value);
av_log(s->avctx, AV_LOG_ERROR, "Color mode %d is not supported\n",
value);
return -1;
}
break;
case TIFF_FILL_ORDER:
if(value < 1 || value > 2){
av_log(s->avctx, AV_LOG_ERROR, "Unknown FillOrder value %d, trying default one\n", value);
if (value < 1 || value > 2) {
av_log(s->avctx, AV_LOG_ERROR,
"Unknown FillOrder value %d, trying default one\n", value);
value = 1;
}
s->fill_order = value - 1;
@ -544,44 +577,44 @@ static int tiff_decode_tag(TiffContext *s, const uint8_t *start, const uint8_t *
gp = buf + count / 3 * off;
bp = buf + count / 3 * off * 2;
off = (type_sizes[type] - 1) << 3;
for(i = 0; i < count / 3; i++){
for (i = 0; i < count / 3; i++) {
j = 0xff << 24;
j |= (tget(&rp, type, s->le) >> off) << 16;
j |= (tget(&gp, type, s->le) >> off) << 8;
j |= tget(&bp, type, s->le) >> off;
j |= tget(&bp, type, s->le) >> off;
pal[i] = j;
}
s->palette_is_set = 1;
break;
case TIFF_PLANAR:
if(value == 2){
if (value == 2) {
av_log(s->avctx, AV_LOG_ERROR, "Planar format is not supported\n");
return -1;
}
break;
case TIFF_T4OPTIONS:
if(s->compr == TIFF_G3)
if (s->compr == TIFF_G3)
s->fax_opts = value;
break;
case TIFF_T6OPTIONS:
if(s->compr == TIFF_G4)
if (s->compr == TIFF_G4)
s->fax_opts = value;
break;
default:
av_log(s->avctx, AV_LOG_DEBUG, "Unknown or unsupported tag %d/0X%0X\n", tag, tag);
av_log(s->avctx, AV_LOG_DEBUG, "Unknown or unsupported tag %d/0X%0X\n",
tag, tag);
}
return 0;
}
static int decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
void *data, int *data_size, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
TiffContext * const s = avctx->priv_data;
TiffContext *const s = avctx->priv_data;
AVFrame *picture = data;
AVFrame * const p = &s->picture;
AVFrame *const p = &s->picture;
const uint8_t *orig_buf = buf, *end_buf = buf + buf_size;
unsigned off;
int id, le, ret;
@ -593,10 +626,13 @@ static int decode_frame(AVCodecContext *avctx,
//parse image header
if (end_buf - buf < 8)
return AVERROR_INVALIDDATA;
id = AV_RL16(buf); buf += 2;
if(id == 0x4949) le = 1;
else if(id == 0x4D4D) le = 0;
else{
id = AV_RL16(buf);
buf += 2;
if (id == 0x4949)
le = 1;
else if (id == 0x4D4D)
le = 0;
else {
av_log(avctx, AV_LOG_ERROR, "TIFF header not found\n");
return -1;
}
@ -606,8 +642,9 @@ static int decode_frame(AVCodecContext *avctx,
s->fill_order = 0;
// As TIFF 6.0 specification puts it "An arbitrary but carefully chosen number
// that further identifies the file as a TIFF file"
if(tget_short(&buf, le) != 42){
av_log(avctx, AV_LOG_ERROR, "The answer to life, universe and everything is not correct!\n");
if (tget_short(&buf, le) != 42) {
av_log(avctx, AV_LOG_ERROR,
"The answer to life, universe and everything is not correct!\n");
return -1;
}
// Reset these pointers so we can tell if they were set this frame
@ -620,12 +657,12 @@ static int decode_frame(AVCodecContext *avctx,
}
buf = orig_buf + off;
entries = tget_short(&buf, le);
for(i = 0; i < entries; i++){
if(tiff_decode_tag(s, orig_buf, buf, end_buf) < 0)
for (i = 0; i < entries; i++) {
if (tiff_decode_tag(s, orig_buf, buf, end_buf) < 0)
return -1;
buf += 12;
}
if(!s->stripdata && !s->stripoff){
if (!s->stripdata && !s->stripoff) {
av_log(avctx, AV_LOG_ERROR, "Image data is missing\n");
return -1;
}
@ -633,36 +670,37 @@ static int decode_frame(AVCodecContext *avctx,
if ((ret = init_image(s)) < 0)
return ret;
if(s->strips == 1 && !s->stripsize){
if (s->strips == 1 && !s->stripsize) {
av_log(avctx, AV_LOG_WARNING, "Image data size missing\n");
s->stripsize = buf_size - s->stripoff;
}
stride = p->linesize[0];
dst = p->data[0];
for(i = 0; i < s->height; i += s->rps){
if(s->stripsizes) {
for (i = 0; i < s->height; i += s->rps) {
if (s->stripsizes) {
if (s->stripsizes >= end_buf)
return AVERROR_INVALIDDATA;
ssize = tget(&s->stripsizes, s->sstype, s->le);
} else
ssize = s->stripsize;
if(s->stripdata){
if (s->stripdata) {
if (s->stripdata >= end_buf)
return AVERROR_INVALIDDATA;
soff = tget(&s->stripdata, s->sot, s->le);
}else
} else
soff = s->stripoff;
if (soff > buf_size || ssize > buf_size - soff) {
av_log(avctx, AV_LOG_ERROR, "Invalid strip size/offset\n");
return -1;
}
if(tiff_unpack_strip(s, dst, stride, orig_buf + soff, ssize, FFMIN(s->rps, s->height - i)) < 0)
if (tiff_unpack_strip(s, dst, stride, orig_buf + soff, ssize,
FFMIN(s->rps, s->height - i)) < 0)
break;
dst += s->rps * stride;
}
if(s->predictor == 2){
if (s->predictor == 2) {
dst = p->data[0];
soff = s->bpp >> 3;
ssize = s->width * soff;
@ -681,18 +719,18 @@ static int decode_frame(AVCodecContext *avctx,
dst += stride;
}
} else {
for(i = 0; i < s->height; i++) {
for(j = soff; j < ssize; j++)
for (i = 0; i < s->height; i++) {
for (j = soff; j < ssize; j++)
dst[j] += dst[j - soff];
dst += stride;
}
}
}
if(s->invert){
if (s->invert) {
dst = s->picture.data[0];
for(i = 0; i < s->height; i++){
for(j = 0; j < s->picture.linesize[0]; j++)
for (i = 0; i < s->height; i++) {
for (j = 0; j < s->picture.linesize[0]; j++)
dst[j] = (s->avctx->pix_fmt == PIX_FMT_PAL8 ? (1<<s->bpp) - 1 : 255) - dst[j];
dst += s->picture.linesize[0];
}
@ -703,7 +741,8 @@ static int decode_frame(AVCodecContext *avctx,
return buf_size;
}
static av_cold int tiff_init(AVCodecContext *avctx){
static av_cold int tiff_init(AVCodecContext *avctx)
{
TiffContext *s = avctx->priv_data;
s->width = 0;
@ -719,10 +758,10 @@ static av_cold int tiff_init(AVCodecContext *avctx){
static av_cold int tiff_end(AVCodecContext *avctx)
{
TiffContext * const s = avctx->priv_data;
TiffContext *const s = avctx->priv_data;
ff_lzw_decode_close(&s->lzw);
if(s->picture.data[0])
if (s->picture.data[0])
avctx->release_buffer(avctx, &s->picture);
return 0;
}

19
libavcodec/wmalosslessdec.c
View File

@ -229,7 +229,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
s->max_subframe_len_bit = 0;
s->subframe_len_bits = av_log2(log2_max_num_subframes) + 1;
num_possible_block_sizes = log2_max_num_subframes + 1;
s->min_samples_per_subframe = s->samples_per_frame / s->max_num_subframes;
s->dynamic_range_compression = s->decode_flags & 0x80;
s->bV3RTM = s->decode_flags & 0x100;
@ -940,9 +939,10 @@ static int decode_subframe(WmallDecodeCtx *s)
if (rawpcm_tile) {
int bits = s->bits_per_sample - padding_zeroes;
if (bits <= 0 ) {
av_log(s->avctx, AV_LOG_ERROR, "rawpcm_tile bits invalid\n");
return -1;
if (bits <= 0) {
av_log(s->avctx, AV_LOG_ERROR,
"Invalid number of padding bits in raw PCM tile\n");
return AVERROR_INVALIDDATA;
}
av_dlog(s->avctx, "RAWPCM %d bits per sample. "
"total %d bits, remain=%d\n", bits,
@ -1169,8 +1169,7 @@ static int decode_packet(AVCodecContext *avctx, void *data, int *got_frame_ptr,
GetBitContext* gb = &s->pgb;
const uint8_t* buf = avpkt->data;
int buf_size = avpkt->size;
int num_bits_prev_frame, packet_sequence_number,
seekable_frame_in_packet, spliced_packet;
int num_bits_prev_frame, packet_sequence_number, spliced_packet;
if (s->packet_done || s->packet_loss) {
s->packet_done = 0;
@ -1185,9 +1184,11 @@ static int decode_packet(AVCodecContext *avctx, void *data, int *got_frame_ptr,
/* parse packet header */
init_get_bits(gb, buf, s->buf_bit_size);
packet_sequence_number = get_bits(gb, 4);
seekable_frame_in_packet = get_bits1(gb);
spliced_packet = get_bits1(gb);
packet_sequence_number = get_bits(gb, 4);
skip_bits(gb, 1); // Skip seekable_frame_in_packet, currently ununused
spliced_packet = get_bits1(gb);
if (spliced_packet)
av_log_missing_feature(avctx, "Bitstream splicing", 1);
/* get number of bits that need to be added to the previous frame */
num_bits_prev_frame = get_bits(gb, s->log2_frame_size);

2
libavcodec/x86/dsputil_yasm.asm
View File

@ -594,7 +594,7 @@ cglobal emu_edge_core, 2, 7, 0
%define valw2 r7w
%define valw3 r3w
%if WIN64
%define valw4 r4w
%define valw4 r7w
%else ; unix64
%define valw4 r3w
%endif

52
libavfilter/avfiltergraph.h
View File

@ -91,11 +91,11 @@ void avfilter_graph_free(AVFilterGraph **graph);
/**
* A linked-list of the inputs/outputs of the filter chain.
*
* This is mainly useful for avfilter_graph_parse(), since this
* function may accept a description of a graph with not connected
* input/output pads. This struct specifies, per each not connected
* pad contained in the graph, the filter context and the pad index
* required for establishing a link.
* This is mainly useful for avfilter_graph_parse() / avfilter_graph_parse2(),
* where it is used to communicate open (unlinked) inputs and outputs from and
* to the caller.
* This struct specifies, per each not connected pad contained in the graph, the
* filter context and the pad index required for establishing a link.
*/
typedef struct AVFilterInOut {
/** unique name for this input/output in the list */
@ -112,13 +112,14 @@ typedef struct AVFilterInOut {
} AVFilterInOut;
/**
* Create an AVFilterInOut.
* Must be free with avfilter_inout_free().
* Allocate a single AVFilterInOut entry.
* Must be freed with avfilter_inout_free().
* @return allocated AVFilterInOut on success, NULL on failure.
*/
AVFilterInOut *avfilter_inout_alloc(void);
/**
* Free the AVFilterInOut in *inout, and set its pointer to NULL.
* Free the supplied list of AVFilterInOut and set *inout to NULL.
* If *inout is NULL, do nothing.
*/
void avfilter_inout_free(AVFilterInOut **inout);
@ -140,6 +141,41 @@ int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
AVFilterInOut **inputs, AVFilterInOut **outputs,
void *log_ctx);
/**
* Add a graph described by a string to a graph.
*
* @param[in] graph the filter graph where to link the parsed graph context
* @param[in] filters string to be parsed
* @param[out] inputs a linked list of all free (unlinked) inputs of the
* parsed graph will be returned here. It is to be freed
* by the caller using avfilter_inout_free().
* @param[out] outputs a linked list of all free (unlinked) outputs of the
* parsed graph will be returned here. It is to be freed by the
* caller using avfilter_inout_free().
* @return zero on success, a negative AVERROR code on error
*
* @note the difference between avfilter_graph_parse2() and
* avfilter_graph_parse() is that in avfilter_graph_parse(), the caller provides
* the lists of inputs and outputs, which therefore must be known before calling
* the function. On the other hand, avfilter_graph_parse2() \em returns the
* inputs and outputs that are left unlinked after parsing the graph and the
* caller then deals with them. Another difference is that in
* avfilter_graph_parse(), the inputs parameter describes inputs of the
* <em>already existing</em> part of the graph; i.e. from the point of view of
* the newly created part, they are outputs. Similarly the outputs parameter
* describes outputs of the already existing filters, which are provided as
* inputs to the parsed filters.
* avfilter_graph_parse2() takes the opposite approach -- it makes no reference
* whatsoever to already existing parts of the graph and the inputs parameter
* will on return contain inputs of the newly parsed part of the graph.
* Analogously the outputs parameter will contain outputs of the newly created
* filters.
*/
int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters,
AVFilterInOut **inputs,
AVFilterInOut **outputs);
/**
* Send a command to one or more filter instances.
*

1
libavfilter/buffersrc.h
View File

@ -32,6 +32,7 @@
*
* @param buf buffer containing frame data to be passed down the filtergraph.
* This function will take ownership of buf, the user must not free it.
* A NULL buf signals EOF -- i.e. no more frames will be sent to this filter.
*/
int av_buffersrc_buffer(AVFilterContext *s, AVFilterBufferRef *buf);

204
libavfilter/graphparser.c
View File

@ -189,13 +189,15 @@ static AVFilterInOut *extract_inout(const char *label, AVFilterInOut **links)
{
AVFilterInOut *ret;
while (*links && strcmp((*links)->name, label))
while (*links && (!(*links)->name || strcmp((*links)->name, label)))
links = &((*links)->next);
ret = *links;
if (ret)
if (ret) {
*links = ret->next;
ret->next = NULL;
}
return ret;
}
@ -206,22 +208,31 @@ static void insert_inout(AVFilterInOut **inouts, AVFilterInOut *element)
*inouts = element;
}
static void append_inout(AVFilterInOut **inouts, AVFilterInOut **element)
{
while (*inouts && (*inouts)->next)
inouts = &((*inouts)->next);
if (!*inouts)
*inouts = *element;
else
(*inouts)->next = *element;
*element = NULL;
}
static int link_filter_inouts(AVFilterContext *filt_ctx,
AVFilterInOut **curr_inputs,
AVFilterInOut **open_inputs, void *log_ctx)
{
int pad = filt_ctx->input_count, ret;
int pad, ret;
while (pad--) {
for (pad = 0; pad < filt_ctx->input_count; pad++) {
AVFilterInOut *p = *curr_inputs;
if (!p) {
av_log(log_ctx, AV_LOG_ERROR,
"Not enough inputs specified for the \"%s\" filter.\n",
filt_ctx->filter->name);
return AVERROR(EINVAL);
}
*curr_inputs = (*curr_inputs)->next;
if (p)
*curr_inputs = (*curr_inputs)->next;
else if (!(p = av_mallocz(sizeof(*p))))
return AVERROR(ENOMEM);
if (p->filter_ctx) {
if ((ret = link_filter(p->filter_ctx, p->pad_idx, filt_ctx, pad, log_ctx)) < 0)
@ -258,6 +269,7 @@ static int link_filter_inouts(AVFilterContext *filt_ctx,
static int parse_inputs(const char **buf, AVFilterInOut **curr_inputs,
AVFilterInOut **open_outputs, void *log_ctx)
{
AVFilterInOut *parsed_inputs = NULL;
int pad = 0;
while (**buf == '[') {
@ -280,12 +292,15 @@ static int parse_inputs(const char **buf, AVFilterInOut **curr_inputs,
match->pad_idx = pad;
}
insert_inout(curr_inputs, match);
append_inout(&parsed_inputs, &match);
*buf += strspn(*buf, WHITESPACES);
pad++;
}
append_inout(&parsed_inputs, curr_inputs);
*curr_inputs = parsed_inputs;
return pad;
}
@ -334,10 +349,173 @@ static int parse_outputs(const char **buf, AVFilterInOut **curr_inputs,
return pad;
}
#if FF_API_GRAPH_AVCLASS
#define log_ctx graph
#else
#define log_ctx NULL
#endif
static int parse_sws_flags(const char **buf, AVFilterGraph *graph)
{
char *p = strchr(*buf, ';');
if (strncmp(*buf, "sws_flags=", 10))
return 0;
if (!p) {
av_log(log_ctx, AV_LOG_ERROR, "sws_flags not terminated with ';'.\n");
return AVERROR(EINVAL);
}
*buf += 4; // keep the 'flags=' part
av_freep(&graph->scale_sws_opts);
if (!(graph->scale_sws_opts = av_mallocz(p - *buf + 1)))
return AVERROR(ENOMEM);
av_strlcpy(graph->scale_sws_opts, *buf, p - *buf + 1);
*buf = p + 1;
return 0;
}
int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters,
AVFilterInOut **inputs,
AVFilterInOut **outputs)
{
int index = 0, ret = 0;
char chr = 0;
AVFilterInOut *curr_inputs = NULL, *open_inputs = NULL, *open_outputs = NULL;
filters += strspn(filters, WHITESPACES);
if ((ret = parse_sws_flags(&filters, graph)) < 0)
goto fail;
do {
AVFilterContext *filter;
filters += strspn(filters, WHITESPACES);
if ((ret = parse_inputs(&filters, &curr_inputs, &open_outputs, log_ctx)) < 0)
goto end;
if ((ret = parse_filter(&filter, &filters, graph, index, log_ctx)) < 0)
goto end;
if ((ret = link_filter_inouts(filter, &curr_inputs, &open_inputs, log_ctx)) < 0)
goto end;
if ((ret = parse_outputs(&filters, &curr_inputs, &open_inputs, &open_outputs,
log_ctx)) < 0)
goto end;
filters += strspn(filters, WHITESPACES);
chr = *filters++;
if (chr == ';' && curr_inputs)
append_inout(&open_outputs, &curr_inputs);
index++;
} while (chr == ',' || chr == ';');
if (chr) {
av_log(log_ctx, AV_LOG_ERROR,
"Unable to parse graph description substring: \"%s\"\n",
filters - 1);
ret = AVERROR(EINVAL);
goto end;
}
append_inout(&open_outputs, &curr_inputs);
*inputs = open_inputs;
*outputs = open_outputs;
return 0;
fail:end:
for (; graph->filter_count > 0; graph->filter_count--)
avfilter_free(graph->filters[graph->filter_count - 1]);
av_freep(&graph->filters);
avfilter_inout_free(&open_inputs);
avfilter_inout_free(&open_outputs);
avfilter_inout_free(&curr_inputs);
*inputs = NULL;
*outputs = NULL;
return ret;
}
#undef log_ctx
int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
AVFilterInOut **open_inputs_ptr, AVFilterInOut **open_outputs_ptr,
void *log_ctx)
{
#if 0
int ret;
AVFilterInOut *open_inputs = open_inputs_ptr ? *open_inputs_ptr : NULL;
AVFilterInOut *open_outputs = open_outputs_ptr ? *open_outputs_ptr : NULL;
AVFilterInOut *cur, *match, *inputs = NULL, *outputs = NULL;
if ((ret = avfilter_graph_parse2(graph, filters, &inputs, &outputs)) < 0)
goto fail;
/* First input can be omitted if it is "[in]" */
if (inputs && !inputs->name)
inputs->name = av_strdup("in");
for (cur = inputs; cur; cur = cur->next) {
if (!cur->name) {
av_log(log_ctx, AV_LOG_ERROR,
"Not enough inputs specified for the \"%s\" filter.\n",
cur->filter_ctx->filter->name);
ret = AVERROR(EINVAL);
goto fail;
}
if (!(match = extract_inout(cur->name, &open_outputs)))
continue;
ret = avfilter_link(match->filter_ctx, match->pad_idx,
cur->filter_ctx, cur->pad_idx);
avfilter_inout_free(&match);
if (ret < 0)
goto fail;
}
/* Last output can be omitted if it is "[out]" */
if (outputs && !outputs->name)
outputs->name = av_strdup("out");
for (cur = outputs; cur; cur = cur->next) {
if (!cur->name) {
av_log(log_ctx, AV_LOG_ERROR,
"Invalid filterchain containing an unlabelled output pad: \"%s\"\n",
filters);
ret = AVERROR(EINVAL);
goto fail;
}
if (!(match = extract_inout(cur->name, &open_inputs)))
continue;
ret = avfilter_link(cur->filter_ctx, cur->pad_idx,
match->filter_ctx, match->pad_idx);
avfilter_inout_free(&match);
if (ret < 0)
goto fail;
}
fail:
if (ret < 0) {
for (; graph->filter_count > 0; graph->filter_count--)
avfilter_free(graph->filters[graph->filter_count - 1]);
av_freep(&graph->filters);
}
avfilter_inout_free(&inputs);
avfilter_inout_free(&outputs);
/* clear open_in/outputs only if not passed as parameters */
if (open_inputs_ptr) *open_inputs_ptr = open_inputs;
else avfilter_inout_free(&open_inputs);
if (open_outputs_ptr) *open_outputs_ptr = open_outputs;
else avfilter_inout_free(&open_outputs);
return ret;
}
#else
int index = 0, ret = 0;
char chr = 0;
@ -414,3 +592,5 @@ end:
}
return ret;
}
#endif

4
libavfilter/version.h
View File

@ -29,8 +29,8 @@
#include "libavutil/avutil.h"
#define LIBAVFILTER_VERSION_MAJOR 2
#define LIBAVFILTER_VERSION_MINOR 69
#define LIBAVFILTER_VERSION_MICRO 101
#define LIBAVFILTER_VERSION_MINOR 70
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
LIBAVFILTER_VERSION_MINOR, \

32
libavfilter/vsrc_buffer.c
View File

@ -39,6 +39,7 @@ typedef struct {
AVRational time_base; ///< time_base to set in the output link
AVRational sample_aspect_ratio;
char sws_param[256];
int eof;
} BufferSourceContext;
#define CHECK_PARAM_CHANGE(s, c, width, height, format)\
@ -55,6 +56,12 @@ int av_vsrc_buffer_add_video_buffer_ref(AVFilterContext *buffer_filter,
AVFilterBufferRef *buf;
int ret;
if (!picref) {
c->eof = 1;
return 0;
} else if (c->eof)
return AVERROR(EINVAL);
if (!av_fifo_space(c->fifo) &&
(ret = av_fifo_realloc2(c->fifo, av_fifo_size(c->fifo) +
sizeof(buf))) < 0)
@ -125,6 +132,12 @@ int av_buffersrc_buffer(AVFilterContext *s, AVFilterBufferRef *buf)
BufferSourceContext *c = s->priv;
int ret;
if (!buf) {
c->eof = 1;
return 0;
} else if (c->eof)
return AVERROR(EINVAL);
if (!av_fifo_space(c->fifo) &&
(ret = av_fifo_realloc2(c->fifo, av_fifo_size(c->fifo) +
sizeof(buf))) < 0)
@ -144,9 +157,17 @@ int av_buffersrc_buffer(AVFilterContext *s, AVFilterBufferRef *buf)
int av_vsrc_buffer_add_frame(AVFilterContext *buffer_src,
const AVFrame *frame, int flags)
{
BufferSourceContext *c = buffer_src->priv;
AVFilterBufferRef *picref;
int ret;
AVFilterBufferRef *picref =
avfilter_get_video_buffer_ref_from_frame(frame, AV_PERM_WRITE);
if (!frame) {
c->eof = 1;
return 0;
} else if (c->eof)
return AVERROR(EINVAL);
picref = avfilter_get_video_buffer_ref_from_frame(frame, AV_PERM_WRITE);
if (!picref)
return AVERROR(ENOMEM);
ret = av_vsrc_buffer_add_video_buffer_ref(buffer_src, picref, flags);
@ -226,6 +247,8 @@ static int request_frame(AVFilterLink *link)
AVFilterBufferRef *buf;
if (!av_fifo_size(c->fifo)) {
if (c->eof)
return AVERROR_EOF;
av_log(link->src, AV_LOG_WARNING,
"request_frame() called with no available frame!\n");
return AVERROR(EINVAL);
@ -243,7 +266,10 @@ static int request_frame(AVFilterLink *link)
static int poll_frame(AVFilterLink *link)
{
BufferSourceContext *c = link->src->priv;
return !!av_fifo_size(c->fifo);
int size = av_fifo_size(c->fifo);
if (!size && c->eof)
return AVERROR_EOF;
return size/sizeof(AVFilterBufferRef*);
}
AVFilter avfilter_vsrc_buffer = {

1
libavformat/isom.h
View File

@ -107,6 +107,7 @@ typedef struct MOVStreamContext {
unsigned int alt_sample_size; ///< always contains sample size from stsz atom
unsigned int sample_count;
int *sample_sizes;
int keyframe_absent;
unsigned int keyframe_count;
int *keyframes;
int time_scale;

5
libavformat/mov.c
View File

@ -1618,7 +1618,10 @@ static int mov_read_stss(MOVContext *c, AVIOContext *pb, MOVAtom atom)
av_dlog(c->fc, "keyframe_count = %d\n", entries);
if (!entries)
{
sc->keyframe_absent = 1;
return 0;
}
if (entries >= UINT_MAX / sizeof(int))
return AVERROR_INVALIDDATA;
sc->keyframes = av_malloc(entries * sizeof(int));
@ -1873,7 +1876,7 @@ static void mov_build_index(MOVContext *mov, AVStream *st)
return;
}
if (!sc->keyframe_count || current_sample+key_off == sc->keyframes[stss_index]) {
if (!sc->keyframe_absent && (!sc->keyframe_count || current_sample+key_off == sc->keyframes[stss_index])) {
keyframe = 1;
if (stss_index + 1 < sc->keyframe_count)
stss_index++;

2
libavformat/utils.c
View File

@ -1975,6 +1975,8 @@ static int has_duration(AVFormatContext *ic)
if (st->duration != AV_NOPTS_VALUE)
return 1;
}
if (ic->duration)
return 1;
return 0;
}

24
libswscale/output.c
View File

@ -469,7 +469,7 @@ yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter,
{
int i;
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
@ -512,7 +512,7 @@ yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2],
int uvalpha1 = 4095 - uvalpha;
int i;
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
@ -539,7 +539,7 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
int i;
if (uvalpha < 2048) {
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2 ]+64) >> 7;
int Y2 = (buf0[i * 2 + 1]+64) >> 7;
int U = (ubuf0[i] +64) >> 7;
@ -561,7 +561,7 @@ yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
}
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2 ] + 64) >> 7;
int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
int U = (ubuf0[i] + ubuf1[i]+128) >> 8;
@ -608,7 +608,7 @@ yuv2rgb48_X_c_template(SwsContext *c, const int16_t *lumFilter,
{
int i;
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j;
int Y1 = -0x40000000;
int Y2 = -0x40000000;
@ -671,7 +671,7 @@ yuv2rgb48_2_c_template(SwsContext *c, const int32_t *buf[2],
int uvalpha1 = 4095 - uvalpha;
int i;
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 14;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 14;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha + (-128 << 23)) >> 14;
@ -709,7 +709,7 @@ yuv2rgb48_1_c_template(SwsContext *c, const int32_t *buf0,
int i;
if (uvalpha < 2048) {
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] ) >> 2;
int Y2 = (buf0[i * 2 + 1]) >> 2;
int U = (ubuf0[i] + (-128 << 11)) >> 2;
@ -737,7 +737,7 @@ yuv2rgb48_1_c_template(SwsContext *c, const int32_t *buf0,
}
} else {
const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] ) >> 2;
int Y2 = (buf0[i * 2 + 1]) >> 2;
int U = (ubuf0[i] + ubuf1[i] + (-128 << 12)) >> 3;
@ -952,7 +952,7 @@ yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter,
{
int i;
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int j, A1, A2;
int Y1 = 1 << 18;
int Y2 = 1 << 18;
@ -1012,7 +1012,7 @@ yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2],
int uvalpha1 = 4095 - uvalpha;
int i;
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
@ -1050,7 +1050,7 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,
int i;
if (uvalpha < 2048) {
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2 ] + 64) >> 7;
int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
int U = (ubuf0[i] + 64) >> 7;
@ -1077,7 +1077,7 @@ yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,
}
} else {
const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
for (i = 0; i < (dstW >> 1); i++) {
for (i = 0; i < ((dstW + 1) >> 1); i++) {
int Y1 = (buf0[i * 2 ] + 64) >> 7;
int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
int U = (ubuf0[i] + ubuf1[i] + 128) >> 8;

2
tests/lavfi-regression.sh
View File

@ -40,7 +40,7 @@ do_lavfi "crop_vflip" "crop=iw-100:ih-100:100:100,vflip"
do_lavfi "drawbox" "drawbox=224:24:88:72:#FF8010@0.5"
do_lavfi "fade" "fade=in:5:15,fade=out:30:15"
do_lavfi "null" "null"
do_lavfi "overlay" "split[m],scale=88:72,pad=96:80:4:4[o2];[m]fifo,[o2]overlay=240:16"
do_lavfi "overlay" "split[m],scale=88:72,pad=96:80:4:4[o2];[m]fifo[o1],[o1][o2]overlay=240:16"
do_lavfi "pad" "pad=iw*1.5:ih*1.5:iw*0.3:ih*0.2"
do_lavfi "pp" "mp=pp=be/de/tn/l5/al"
do_lavfi "pp2" "mp=pp=be/fq:16/fa/lb"