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Merge commit '9221efef7968463f3e3d9ce79ea72eaca082e73f'

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* commit '9221efef7968463f3e3d9ce79ea72eaca082e73f':
  lavf: fix av_interleaved_write_frame() doxy.
  lavf: clarify the lifetime of demuxed packets.
  avconv: do not free muxed packet on streamcopy.
  crc: move doxy to the header
  vf_drawtext: do not use deprecated av_tree_node_size
  x86: Refactor PSWAPD fallback implementations and port to cpuflags

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-03 14:23:36 +01:00
commit 37e81996dc
8 changed files with 65 additions and 71 deletions
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1
ffmpeg.c
View File

@ -1394,7 +1394,6 @@ static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *p
write_frame(of->ctx, &opkt, ost);
ost->st->codec->frame_number++;
av_free_packet(&opkt);
}
static void rate_emu_sleep(InputStream *ist)

16
libavcodec/x86/fft.asm
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@ -105,7 +105,8 @@ SECTION_TEXT
pfadd %5, %4 ; {t6,t5}
pxor %3, [ps_m1p1] ; {t8,t7}
mova %6, %1
PSWAPD %3, %3
movd [r0+12], %3
punpckhdq %3, [r0+8]
pfadd %1, %5 ; {r0,i0}
pfsub %6, %5 ; {r2,i2}
mova %4, %2
@ -499,19 +500,6 @@ fft8 %+ SUFFIX:
%endmacro
%if ARCH_X86_32
%macro PSWAPD 2
%if cpuflag(3dnowext)
pswapd %1, %2
%elifidn %1, %2
movd [r0+12], %1
punpckhdq %1, [r0+8]
%else
movq %1, %2
psrlq %1, 32
punpckldq %1, %2
%endif
%endmacro
INIT_MMX 3dnowext
FFT48_3DNOW

17
libavcodec/x86/fmtconvert.asm
View File

@ -246,16 +246,6 @@ FLOAT_TO_INT16_INTERLEAVE2
INIT_XMM sse2
FLOAT_TO_INT16_INTERLEAVE2
%macro PSWAPD_SSE 2
pshufw %1, %2, 0x4e
%endmacro
%macro PSWAPD_3DNOW 2
movq %1, %2
psrlq %1, 32
punpckldq %1, %2
%endmacro
%macro FLOAT_TO_INT16_INTERLEAVE6 0
; void float_to_int16_interleave6_sse(int16_t *dst, const float **src, int len)
cglobal float_to_int16_interleave6, 2, 8, 0, dst, src, src1, src2, src3, src4, src5, len
@ -285,11 +275,11 @@ cglobal float_to_int16_interleave6, 2, 8, 0, dst, src, src1, src2, src3, src4, s
packssdw mm0, mm3
packssdw mm1, mm4
packssdw mm2, mm5
pswapd mm3, mm0
PSWAPD mm3, mm0
punpcklwd mm0, mm1
punpckhwd mm1, mm2
punpcklwd mm2, mm3
pswapd mm3, mm0
PSWAPD mm3, mm0
punpckldq mm0, mm2
punpckhdq mm2, mm1
punpckldq mm1, mm3
@ -305,12 +295,9 @@ cglobal float_to_int16_interleave6, 2, 8, 0, dst, src, src1, src2, src3, src4, s
%endmacro ; FLOAT_TO_INT16_INTERLEAVE6
INIT_MMX sse
%define pswapd PSWAPD_SSE
FLOAT_TO_INT16_INTERLEAVE6
INIT_MMX 3dnow
%define pswapd PSWAPD_3DNOW
FLOAT_TO_INT16_INTERLEAVE6
%undef pswapd
INIT_MMX 3dnowext
FLOAT_TO_INT16_INTERLEAVE6

2
libavfilter/vf_drawtext.c
View File

@ -277,7 +277,7 @@ static int load_glyph(AVFilterContext *ctx, Glyph **glyph_ptr, uint32_t code)
FT_Glyph_Get_CBox(*glyph->glyph, ft_glyph_bbox_pixels, &glyph->bbox);
/* cache the newly created glyph */
if (!(node = av_mallocz(av_tree_node_size))) {
if (!(node = av_tree_node_alloc())) {
ret = AVERROR(ENOMEM);
goto error;
}

30
libavformat/avformat.h
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@ -158,9 +158,15 @@
* information will be in AVStream.time_base units, i.e. it has to be
* multiplied by the timebase to convert them to seconds.
*
* The packet data belongs to the demuxer and is invalid after the next call to
* av_read_frame(). The user must free the packet with av_free_packet() before
* calling av_read_frame() again or closing the file.
* If AVPacket.destruct is set on the returned packet, then the packet is
* allocated dynamically and the user may keep it indefinitely.
* Otherwise, if AVPacket.destruct is NULL, the packet data is backed by a
* static storage somewhere inside the demuxer and the packet is only valid
* until the next av_read_frame() call or closing the file. If the caller
* requires a longer lifetime, av_dup_packet() will make an av_malloc()ed copy
* of it.
* In both cases, the packet must be freed with av_free_packet() when it is no
* longer needed.
*
* @section lavf_decoding_seek Seeking
* @}
@ -1550,13 +1556,13 @@ int av_read_packet(AVFormatContext *s, AVPacket *pkt);
* omit invalid data between valid frames so as to give the decoder the maximum
* information possible for decoding.
*
* The returned packet is valid
* until the next av_read_frame() or until av_close_input_file() and
* must be freed with av_free_packet. For video, the packet contains
* exactly one frame. For audio, it contains an integer number of
* frames if each frame has a known fixed size (e.g. PCM or ADPCM
* data). If the audio frames have a variable size (e.g. MPEG audio),
* then it contains one frame.
* If pkt->destruct is NULL, then the packet is valid until the next
* av_read_frame() or until av_close_input_file(). Otherwise the packet is valid
* indefinitely. In both cases the packet must be freed with
* av_free_packet when it is no longer needed. For video, the packet contains
* exactly one frame. For audio, it contains an integer number of frames if each
* frame has a known fixed size (e.g. PCM or ADPCM data). If the audio frames
* have a variable size (e.g. MPEG audio), then it contains one frame.
*
* pkt->pts, pkt->dts and pkt->duration are always set to correct
* values in AVStream.time_base units (and guessed if the format cannot
@ -1724,10 +1730,10 @@ int av_write_frame(AVFormatContext *s, AVPacket *pkt);
* @param s media file handle
* @param pkt The packet containing the data to be written. Libavformat takes
* ownership of the data and will free it when it sees fit using the packet's
* This can be NULL (at any time, not just at the end), to flush the
* interleaving queues.
* @ref AVPacket.destruct "destruct" field. The caller must not access the data
* after this function returns, as it may already be freed.
* This can be NULL (at any time, not just at the end), to flush the
* interleaving queues.
* Packet's @ref AVPacket.stream_index "stream_index" field must be set to the
* index of the corresponding stream in @ref AVFormatContext.streams
* "s.streams".

28
libavutil/crc.c
View File

@ -40,22 +40,6 @@ static struct {
static AVCRC av_crc_table[AV_CRC_MAX][257];
#endif
/**
* Initialize a CRC table.
* @param ctx must be an array of size sizeof(AVCRC)*257 or sizeof(AVCRC)*1024
* @param le If 1, the lowest bit represents the coefficient for the highest
* exponent of the corresponding polynomial (both for poly and
* actual CRC).
* If 0, you must swap the CRC parameter and the result of av_crc
* if you need the standard representation (can be simplified in
* most cases to e.g. bswap16):
* av_bswap32(crc << (32-bits))
* @param bits number of bits for the CRC
* @param poly generator polynomial without the x**bits coefficient, in the
* representation as specified by le
* @param ctx_size size of ctx in bytes
* @return <0 on failure
*/
int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size)
{
unsigned i, j;
@ -89,11 +73,6 @@ int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size)
return 0;
}
/**
* Get an initialized standard CRC table.
* @param crc_id ID of a standard CRC
* @return a pointer to the CRC table or NULL on failure
*/
const AVCRC *av_crc_get_table(AVCRCId crc_id)
{
#if !CONFIG_HARDCODED_TABLES
@ -108,13 +87,6 @@ const AVCRC *av_crc_get_table(AVCRCId crc_id)
return av_crc_table[crc_id];
}
/**
* Calculate the CRC of a block.
* @param crc CRC of previous blocks if any or initial value for CRC
* @return CRC updated with the data from the given block
*
* @see av_crc_init() "le" parameter
*/
uint32_t av_crc(const AVCRC *ctx, uint32_t crc,
const uint8_t *buffer, size_t length)
{

30
libavutil/crc.h
View File

@ -36,8 +36,38 @@ typedef enum {
AV_CRC_MAX, /*< Not part of public API! Do not use outside libavutil. */
}AVCRCId;
/**
* Initialize a CRC table.
* @param ctx must be an array of size sizeof(AVCRC)*257 or sizeof(AVCRC)*1024
* @param le If 1, the lowest bit represents the coefficient for the highest
* exponent of the corresponding polynomial (both for poly and
* actual CRC).
* If 0, you must swap the CRC parameter and the result of av_crc
* if you need the standard representation (can be simplified in
* most cases to e.g. bswap16):
* av_bswap32(crc << (32-bits))
* @param bits number of bits for the CRC
* @param poly generator polynomial without the x**bits coefficient, in the
* representation as specified by le
* @param ctx_size size of ctx in bytes
* @return <0 on failure
*/
int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size);
/**
* Get an initialized standard CRC table.
* @param crc_id ID of a standard CRC
* @return a pointer to the CRC table or NULL on failure
*/
const AVCRC *av_crc_get_table(AVCRCId crc_id);
/**
* Calculate the CRC of a block.
* @param crc CRC of previous blocks if any or initial value for CRC
* @return CRC updated with the data from the given block
*
* @see av_crc_init() "le" parameter
*/
uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length) av_pure;
#endif /* AVUTIL_CRC_H */

12
libavutil/x86/x86util.asm
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@ -319,6 +319,18 @@
%endif
%endmacro
%macro PSWAPD 2
%if cpuflag(mmxext)
pshufw %1, %2, q1032
%elif cpuflag(3dnowext)
pswapd %1, %2
%elif cpuflag(3dnow)
movq %1, %2
psrlq %1, 32
punpckldq %1, %2
%endif
%endmacro
%macro DEINTB 5 ; mask, reg1, mask, reg2, optional src to fill masks from
%ifnum %5
pand m%3, m%5, m%4 ; src .. y6 .. y4