Merge commit '059a934806d61f7af9ab3fd9f74994b838ea5eba'

* commit '059a934806d61f7af9ab3fd9f74994b838ea5eba':
  lavc: Consistently prefix input buffer defines

Conflicts:
	doc/examples/decoding_encoding.c
	libavcodec/4xm.c
	libavcodec/aac_adtstoasc_bsf.c
	libavcodec/aacdec.c
	libavcodec/aacenc.c
	libavcodec/ac3dec.h
	libavcodec/asvenc.c
	libavcodec/avcodec.h
	libavcodec/avpacket.c
	libavcodec/dvdec.c
	libavcodec/ffv1enc.c
	libavcodec/g2meet.c
	libavcodec/gif.c
	libavcodec/h264.c
	libavcodec/h264_mp4toannexb_bsf.c
	libavcodec/huffyuvdec.c
	libavcodec/huffyuvenc.c
	libavcodec/jpeglsenc.c
	libavcodec/libxvid.c
	libavcodec/mdec.c
	libavcodec/motionpixels.c
	libavcodec/mpeg4videodec.c
	libavcodec/mpegvideo.c
	libavcodec/noise_bsf.c
	libavcodec/nuv.c
	libavcodec/nvenc.c
	libavcodec/options.c
	libavcodec/parser.c
	libavcodec/pngenc.c
	libavcodec/proresenc_kostya.c
	libavcodec/qsvdec.c
	libavcodec/svq1enc.c
	libavcodec/tiffenc.c
	libavcodec/truemotion2.c
	libavcodec/utils.c
	libavcodec/utvideoenc.c
	libavcodec/vc1dec.c
	libavcodec/wmalosslessdec.c
	libavformat/adxdec.c
	libavformat/aiffdec.c
	libavformat/apc.c
	libavformat/apetag.c
	libavformat/avidec.c
	libavformat/bink.c
	libavformat/cafdec.c
	libavformat/flvdec.c
	libavformat/id3v2.c
	libavformat/isom.c
	libavformat/matroskadec.c
	libavformat/mov.c
	libavformat/mpc.c
	libavformat/mpc8.c
	libavformat/mpegts.c
	libavformat/mvi.c
	libavformat/mxfdec.c
	libavformat/mxg.c
	libavformat/nutdec.c
	libavformat/oggdec.c
	libavformat/oggparsecelt.c
	libavformat/oggparseflac.c
	libavformat/oggparseopus.c
	libavformat/oggparsespeex.c
	libavformat/omadec.c
	libavformat/rawdec.c
	libavformat/riffdec.c
	libavformat/rl2.c
	libavformat/rmdec.c
	libavformat/rtpdec_latm.c
	libavformat/rtpdec_mpeg4.c
	libavformat/rtpdec_qdm2.c
	libavformat/rtpdec_svq3.c
	libavformat/sierravmd.c
	libavformat/smacker.c
	libavformat/smush.c
	libavformat/spdifenc.c
	libavformat/takdec.c
	libavformat/tta.c
	libavformat/utils.c
	libavformat/vqf.c
	libavformat/westwood_vqa.c
	libavformat/xmv.c
	libavformat/xwma.c
	libavformat/yop.c

Merged-by: Michael Niedermayer <[email protected]>

doc/examples/decoding_encoding.c

@@ -245,7 +245,7 @@ static void audio_decode_example(const char *outfilename, const char *filename)
     AVCodecContext *c= NULL;
     int len;
     FILE *f, *outfile;
-    uint8_t inbuf[AUDIO_INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
+    uint8_t inbuf[AUDIO_INBUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
     AVPacket avpkt;
     AVFrame *decoded_frame = NULL;
 
@@ -538,13 +538,13 @@ static void video_decode_example(const char *outfilename, const char *filename)
     int frame_count;
     FILE *f;
     AVFrame *frame;
-    uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE];
+    uint8_t inbuf[INBUF_SIZE + AV_INPUT_BUFFER_PADDING_SIZE];
     AVPacket avpkt;
 
     av_init_packet(&avpkt);
 
     /* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */
-    memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+    memset(inbuf + INBUF_SIZE, 0, AV_INPUT_BUFFER_PADDING_SIZE);
 
     printf("Decode video file %s to %s\n", filename, outfilename);
 

doc/examples/qsvdec.c

@@ -405,7 +405,7 @@ int main(int argc, char **argv)
     decoder_ctx->codec_id = AV_CODEC_ID_H264;
     if (video_st->codec->extradata_size) {
         decoder_ctx->extradata = av_mallocz(video_st->codec->extradata_size +
-                                            FF_INPUT_BUFFER_PADDING_SIZE);
+                                            AV_INPUT_BUFFER_PADDING_SIZE);
         if (!decoder_ctx->extradata) {
             ret = AVERROR(ENOMEM);
             goto finish;

ffmpeg.c

@@ -643,7 +643,7 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
     int ret;
 
     if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
-        ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+        ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (ost->st->codec->extradata) {
             memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
             ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
@@ -688,10 +688,10 @@ static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
                                            pkt->data, pkt->size,
                                            pkt->flags & AV_PKT_FLAG_KEY);
         if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
-            uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
+            uint8_t *t = av_malloc(new_pkt.size + AV_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
             if(t) {
                 memcpy(t, new_pkt.data, new_pkt.size);
-                memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+                memset(t + new_pkt.size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
                 new_pkt.data = t;
                 new_pkt.buf = NULL;
                 a = 1;
@@ -2811,7 +2811,7 @@ static int transcode_init(void)
 
             av_assert0(ist && !ost->filter);
 
-            extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
+            extra_size = (uint64_t)dec_ctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
 
             if (extra_size > INT_MAX) {
                 return AVERROR(EINVAL);

ffserver.c

@@ -3510,7 +3510,7 @@ static void extract_mpeg4_header(AVFormatContext *infile)
                 if (p[0] == 0x00 && p[1] == 0x00 &&
                     p[2] == 0x01 && p[3] == 0xb6) {
                     size = p - pkt.data;
-                    st->codec->extradata = av_mallocz(size + FF_INPUT_BUFFER_PADDING_SIZE);
+                    st->codec->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
                     st->codec->extradata_size = size;
                     memcpy(st->codec->extradata, pkt.data, size);
                     break;

libavcodec/4xm.c

@@ -883,11 +883,11 @@ static int decode_frame(AVCodecContext *avctx, void *data,
         }
         cfrm = &f->cfrm[i];
 
-        if (data_size > UINT_MAX -  cfrm->size - FF_INPUT_BUFFER_PADDING_SIZE)
+        if (data_size > UINT_MAX -  cfrm->size - AV_INPUT_BUFFER_PADDING_SIZE)
             return AVERROR_INVALIDDATA;
 
         cfrm->data = av_fast_realloc(cfrm->data, &cfrm->allocated_size,
-                                     cfrm->size + data_size + FF_INPUT_BUFFER_PADDING_SIZE);
+                                     cfrm->size + data_size + AV_INPUT_BUFFER_PADDING_SIZE);
         // explicit check needed as memcpy below might not catch a NULL
         if (!cfrm->data) {
             av_log(f->avctx, AV_LOG_ERROR, "realloc failure\n");

libavcodec/a64multienc.c

@@ -235,7 +235,7 @@ static av_cold int a64multi_encode_init(AVCodecContext *avctx)
     }
 
     /* set up extradata */
-    if (!(avctx->extradata = av_mallocz(8 * 4 + FF_INPUT_BUFFER_PADDING_SIZE))) {
+    if (!(avctx->extradata = av_mallocz(8 * 4 + AV_INPUT_BUFFER_PADDING_SIZE))) {
         av_log(avctx, AV_LOG_ERROR, "Failed to allocate memory for extradata.\n");
         return AVERROR(ENOMEM);
     }

libavcodec/aac_adtstoasc_bsf.c

@@ -89,7 +89,7 @@ static int aac_adtstoasc_filter(AVBitStreamFilterContext *bsfc,
         }
         av_free(avctx->extradata);
         avctx->extradata_size = 2 + pce_size;
-        avctx->extradata = av_mallocz(avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
+        avctx->extradata = av_mallocz(avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
         if (!avctx->extradata) {
             avctx->extradata_size = 0;
             return AVERROR(ENOMEM);

libavcodec/aac_parser.c

@@ -34,7 +34,7 @@ static int aac_sync(uint64_t state, AACAC3ParseContext *hdr_info,
     int size;
     union {
         uint64_t u64;
-        uint8_t  u8[8 + FF_INPUT_BUFFER_PADDING_SIZE];
+        uint8_t  u8[8 + AV_INPUT_BUFFER_PADDING_SIZE];
     } tmp;
 
     tmp.u64 = av_be2ne64(state);

libavcodec/aacdec.c

@@ -322,14 +322,14 @@ static int latm_decode_audio_specific_config(struct LATMContext *latmctx,
 
         if (avctx->extradata_size < esize) {
             av_free(avctx->extradata);
-            avctx->extradata = av_malloc(esize + FF_INPUT_BUFFER_PADDING_SIZE);
+            avctx->extradata = av_malloc(esize + AV_INPUT_BUFFER_PADDING_SIZE);
             if (!avctx->extradata)
                 return AVERROR(ENOMEM);
         }
 
         avctx->extradata_size = esize;
         memcpy(avctx->extradata, gb->buffer + (config_start_bit/8), esize);
-        memset(avctx->extradata+esize, 0, FF_INPUT_BUFFER_PADDING_SIZE);
+        memset(avctx->extradata+esize, 0, AV_INPUT_BUFFER_PADDING_SIZE);
     }
     skip_bits_long(gb, bits_consumed);
 

libavcodec/aacdec_template.c

@@ -3098,7 +3098,7 @@ static int aac_decode_frame(AVCodecContext *avctx, void *data,
     if (new_extradata && 0) {
         av_free(avctx->extradata);
         avctx->extradata = av_mallocz(new_extradata_size +
-                                      FF_INPUT_BUFFER_PADDING_SIZE);
+                                      AV_INPUT_BUFFER_PADDING_SIZE);
         if (!avctx->extradata)
             return AVERROR(ENOMEM);
         avctx->extradata_size = new_extradata_size;

libavcodec/aacenc.c

@@ -817,7 +817,7 @@ static av_cold int alloc_buffers(AVCodecContext *avctx, AACEncContext *s)
     int ch;
     FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->buffer.samples, s->channels, 3 * 1024 * sizeof(s->buffer.samples[0]), alloc_fail);
     FF_ALLOCZ_ARRAY_OR_GOTO(avctx, s->cpe, s->chan_map[0], sizeof(ChannelElement), alloc_fail);
-    FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + FF_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
+    FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + AV_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
 
     for(ch = 0; ch < s->channels; ch++)
         s->planar_samples[ch] = s->buffer.samples + 3 * 1024 * ch;

libavcodec/ac3_parser.c

@@ -166,7 +166,7 @@ static int ac3_sync(uint64_t state, AACAC3ParseContext *hdr_info,
     int err;
     union {
         uint64_t u64;
-        uint8_t  u8[8 + FF_INPUT_BUFFER_PADDING_SIZE];
+        uint8_t  u8[8 + AV_INPUT_BUFFER_PADDING_SIZE];
     } tmp = { av_be2ne64(state) };
     AC3HeaderInfo hdr, *phdr = &hdr;
     GetBitContext gbc;

libavcodec/ac3dec.h

@@ -235,7 +235,7 @@ typedef struct AC3DecodeContext {
     DECLARE_ALIGNED(32, INTFLOAT, window)[AC3_BLOCK_SIZE];                              ///< window coefficients
     DECLARE_ALIGNED(32, INTFLOAT, tmp_output)[AC3_BLOCK_SIZE];                          ///< temporary storage for output before windowing
     DECLARE_ALIGNED(32, SHORTFLOAT, output)[AC3_MAX_CHANNELS][AC3_BLOCK_SIZE];            ///< output after imdct transform and windowing
-    DECLARE_ALIGNED(32, uint8_t, input_buffer)[AC3_FRAME_BUFFER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE]; ///< temp buffer to prevent overread
+    DECLARE_ALIGNED(32, uint8_t, input_buffer)[AC3_FRAME_BUFFER_SIZE + AV_INPUT_BUFFER_PADDING_SIZE]; ///< temp buffer to prevent overread
 ///@}
 } AC3DecodeContext;
 

libavcodec/adpcmenc.c

@@ -113,7 +113,7 @@ static av_cold int adpcm_encode_init(AVCodecContext *avctx)
         avctx->frame_size = (BLKSIZE - 7 * avctx->channels) * 2 / avctx->channels + 2;
         avctx->bits_per_coded_sample = 4;
         avctx->block_align    = BLKSIZE;
-        if (!(avctx->extradata = av_malloc(32 + FF_INPUT_BUFFER_PADDING_SIZE)))
+        if (!(avctx->extradata = av_malloc(32 + AV_INPUT_BUFFER_PADDING_SIZE)))
             goto error;
         avctx->extradata_size = 32;
         extradata = avctx->extradata;

libavcodec/alacenc.c

@@ -531,7 +531,7 @@ static av_cold int alac_encode_init(AVCodecContext *avctx)
                                                  avctx->channels,
                                                  avctx->bits_per_raw_sample);
 
-    avctx->extradata = av_mallocz(ALAC_EXTRADATA_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
+    avctx->extradata = av_mallocz(ALAC_EXTRADATA_SIZE + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!avctx->extradata) {
         ret = AVERROR(ENOMEM);
         goto error;

libavcodec/asvenc.c

@@ -265,7 +265,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     }
 
     if ((ret = ff_alloc_packet2(avctx, pkt, a->mb_height * a->mb_width * MAX_MB_SIZE +
-                                FF_MIN_BUFFER_SIZE, 0)) < 0)
+                                AV_INPUT_BUFFER_MIN_SIZE, 0)) < 0)
         return ret;
 
     init_put_bits(&a->pb, pkt->data, pkt->size);

libavcodec/atrac3.c

@@ -886,7 +886,7 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
         return AVERROR(EINVAL);
 
     q->decoded_bytes_buffer = av_mallocz(FFALIGN(avctx->block_align, 4) +
-                                         FF_INPUT_BUFFER_PADDING_SIZE);
+                                         AV_INPUT_BUFFER_PADDING_SIZE);
     if (!q->decoded_bytes_buffer)
         return AVERROR(ENOMEM);
 

libavcodec/avcodec.h

@@ -632,15 +632,24 @@ typedef struct AVCodecDescriptor {
  * Note: If the first 23 bits of the additional bytes are not 0, then damaged
  * MPEG bitstreams could cause overread and segfault.
  */
-#define FF_INPUT_BUFFER_PADDING_SIZE 32
+#define AV_INPUT_BUFFER_PADDING_SIZE 32
 
 /**
  * @ingroup lavc_encoding
  * minimum encoding buffer size
  * Used to avoid some checks during header writing.
  */
-#define FF_MIN_BUFFER_SIZE 16384
+#define AV_INPUT_BUFFER_MIN_SIZE 16384
+
+/**
+ * @deprecated use AV_INPUT_BUFFER_PADDING_SIZE instead
+ */
+#define FF_INPUT_BUFFER_PADDING_SIZE 32
 
+/**
+ * @deprecated use AV_INPUT_BUFFER_MIN_SIZE instead
+ */
+#define FF_MIN_BUFFER_SIZE 16384
 
 /**
  * @ingroup lavc_encoding
@@ -1595,7 +1604,7 @@ typedef struct AVCodecContext {
      * mjpeg: Huffman tables
      * rv10: additional flags
      * mpeg4: global headers (they can be in the bitstream or here)
-     * The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger
+     * The allocated memory should be AV_INPUT_BUFFER_PADDING_SIZE bytes larger
      * than extradata_size to avoid problems if it is read with the bitstream reader.
      * The bytewise contents of extradata must not depend on the architecture or CPU endianness.
      * - encoding: Set/allocated/freed by libavcodec.
@@ -4062,7 +4071,7 @@ int av_grow_packet(AVPacket *pkt, int grow_by);
  *        function returns successfully, the data is owned by the underlying AVBuffer.
  *        The caller may not access the data through other means.
  * @param size size of data in bytes, without the padding. I.e. the full buffer
- *        size is assumed to be size + FF_INPUT_BUFFER_PADDING_SIZE.
+ *        size is assumed to be size + AV_INPUT_BUFFER_PADDING_SIZE.
  *
  * @return 0 on success, a negative AVERROR on error
  */
@@ -4399,7 +4408,7 @@ attribute_deprecated int avcodec_decode_audio3(AVCodecContext *avctx, int16_t *s
  * returning samples. It is safe to flush even those decoders that are not
  * marked with AV_CODEC_CAP_DELAY, then no samples will be returned.
  *
- * @warning The input buffer, avpkt->data must be FF_INPUT_BUFFER_PADDING_SIZE
+ * @warning The input buffer, avpkt->data must be AV_INPUT_BUFFER_PADDING_SIZE
  *          larger than the actual read bytes because some optimized bitstream
  *          readers read 32 or 64 bits at once and could read over the end.
  *
@@ -4439,7 +4448,7 @@ int avcodec_decode_audio4(AVCodecContext *avctx, AVFrame *frame,
  * Some decoders may support multiple frames in a single AVPacket, such
  * decoders would then just decode the first frame.
  *
- * @warning The input buffer must be FF_INPUT_BUFFER_PADDING_SIZE larger than
+ * @warning The input buffer must be AV_INPUT_BUFFER_PADDING_SIZE larger than
  * the actual read bytes because some optimized bitstream readers read 32 or 64
  * bits at once and could read over the end.
  *
@@ -5447,7 +5456,7 @@ AVBitStreamFilter *av_bitstream_filter_next(const AVBitStreamFilter *f);
 
 /**
  * Same behaviour av_fast_malloc but the buffer has additional
- * FF_INPUT_BUFFER_PADDING_SIZE at the end which will always be 0.
+ * AV_INPUT_BUFFER_PADDING_SIZE at the end which will always be 0.
  *
  * In addition the whole buffer will initially and after resizes
  * be 0-initialized so that no uninitialized data will ever appear.