66 ctx->slot[
s]->slots &= ~(1 <<
s);
67 if (
ctx->slot[
s]->slots == 0)
79 unsigned int frame_marker;
80 unsigned int profile_low_bit, profile_high_bit, reserved_zero;
81 unsigned int error_resilient_mode;
89 if (frame_marker != 2) {
97 frame->profile = (profile_high_bit << 1) | profile_low_bit;
98 if (
frame->profile == 3) {
100 if (reserved_zero != 0) {
102 "unsupported profile or invalid bitstream.\n");
108 if (
frame->show_existing_frame) {
117 if (
frame->frame_type == 0) {
124 frame->refresh_frame_flags = 0xff;
128 if (
frame->show_frame == 0)
132 if (error_resilient_mode == 0) {
143 if (
frame->profile > 0) {
144 unsigned int color_space;
145 if (
frame->profile >= 2) {
150 if (color_space != 7 ) {
153 if (
frame->profile == 1 ||
frame->profile == 3) {
158 if (
frame->profile == 1 ||
frame->profile == 3)
177 *next_display = last_frame, *
frame;
187 if (
frame->needs_display && (!next_display ||
189 next_display =
frame;
199 frame = next_display;
201 if (
frame->needs_output &&
frame->needs_display &&
204 "%"PRId64
" (%"PRId64
") in order.\n",
209 frame->needs_output =
frame->needs_display = 0;
210 }
else if (
frame->needs_output) {
211 if (
frame->needs_display) {
213 "(%"PRId64
") for later display.\n",
217 "%"PRId64
" (%"PRId64
") to keep order.\n",
224 frame->needs_output = 0;
230 if (
frame->slots == 0) {
232 "which is no longer available?\n");
233 frame->needs_display = 0;
241 "(%"PRId64
") from slot %d.\n",
256 if (
frame->profile == 3) {
271 frame->needs_display = 0;
284 if (
ctx->next_frame) {
295 if ((
in->data[
in->size - 1] & 0xe0) == 0xc0) {
314 "frame: %d.\n", err);
318 frame->needs_output = 1;
321 if (
frame->show_existing_frame)
323 "(%"PRId64
"): show %u.\n",
frame->sequence,
327 "(%"PRId64
"): type %u show %u refresh %02x.\n",
329 frame->show_frame,
frame->refresh_frame_flags);
335 if (!(
frame->refresh_frame_flags & (1 <<
s)))
337 if (
ctx->slot[
s] &&
ctx->slot[
s]->needs_display &&
338 ctx->slot[
s]->slots == (1 <<
s)) {
346 "output overwriting slot %d: %d.\n",
359 if (!(
frame->refresh_frame_flags & (1 <<
s)))
365 if (!
frame->refresh_frame_flags) {
369 "for transient frame.\n");
373 if (!
frame->needs_display) {
412 .
name =
"vp9_raw_reorder",
static enum AVCodecID codec_ids[]
static void flush(AVCodecContext *avctx)
static void * next_output(const AVOutputFormat *prev, AVClassCategory c2)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
simple assert() macros that are a bit more flexible than ISO C assert().
#define av_assert0(cond)
assert() equivalent, that is always enabled.
int ff_bsf_get_packet(AVBSFContext *ctx, AVPacket **pkt)
Called by the bitstream filters to get the next packet for filtering.
static int FUNC() frame_sync_code(CodedBitstreamContext *ctx, RWContext *rw, VP9RawFrameHeader *current)
static av_always_inline void filter(int16_t *output, ptrdiff_t out_stride, const int16_t *low, ptrdiff_t low_stride, const int16_t *high, ptrdiff_t high_stride, int len, int clip)
bitstream reader API header.
static unsigned int get_bits1(GetBitContext *s)
static void skip_bits(GetBitContext *s, int n)
static unsigned int get_bits(GetBitContext *s, int n)
Read 1-25 bits.
static int init_get_bits(GetBitContext *s, const uint8_t *buffer, int bit_size)
Initialize GetBitContext.
AVCodecID
Identify the syntax and semantics of the bitstream.
void av_packet_free(AVPacket **pkt)
Free the packet, if the packet is reference counted, it will be unreferenced first.
void av_packet_move_ref(AVPacket *dst, AVPacket *src)
Move every field in src to dst and reset src.
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
#define AVERROR_EOF
End of file.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
#define AV_NOPTS_VALUE
Undefined timestamp value.
static void put_bits(Jpeg2000EncoderContext *s, int val, int n)
put n times val bit
Memory handling functions.
static void init_put_bits(PutBitContext *s, uint8_t *buffer, int buffer_size)
Initialize the PutBitContext s.
static int put_bits_count(PutBitContext *s)
static void flush_put_bits(PutBitContext *s)
Pad the end of the output stream with zeros.
The bitstream filter state.
void * priv_data
Opaque filter-specific private data.
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
This structure stores compressed data.
VP9RawReorderFrame * next_frame
VP9RawReorderFrame * slot[FRAME_SLOTS]
unsigned int refresh_frame_flags
unsigned int show_existing_frame
unsigned int frame_to_show
static int vp9_raw_reorder_make_output(AVBSFContext *bsf, AVPacket *out, VP9RawReorderFrame *last_frame)
static void vp9_raw_reorder_flush(AVBSFContext *bsf)
static int vp9_raw_reorder_filter(AVBSFContext *bsf, AVPacket *out)
static void vp9_raw_reorder_close(AVBSFContext *bsf)
const AVBitStreamFilter ff_vp9_raw_reorder_bsf
static void vp9_raw_reorder_frame_free(VP9RawReorderFrame **frame)
static void vp9_raw_reorder_clear_slot(VP9RawReorderContext *ctx, int s)
static enum AVCodecID vp9_raw_reorder_codec_ids[]
static int vp9_raw_reorder_frame_parse(AVBSFContext *bsf, VP9RawReorderFrame *frame)